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The volume and scale of commercial captive breeding of parrots have grown dramatically in recent decades. Although it has been proposed, and is often assumed, that captive breeding can reduce pressure on wild populations, there has been little scrutiny of the scale, viability, or impacts of captive breeding to prevent overexploitation among parrots, compared with similar approaches in other threatened taxa, such as pangolins or tigers. We reviewed the primary and gray literature to quantitatively and qualitatively evaluate evidence concerning 5 criteria, established a priori, for commercial captive breeding of parrots as an effective supply-side intervention. We focused on a sample of 16 threatened parrot species that are heavily traded or for which unsustainable trade has been a factor in the decline of wild populations, representing a range of taxonomic groups, life histories, and native regions. We identified multiple major gaps in knowledge of the extent to which these criteria are met, including a lack of quantitative data on breeding productivity under current commercial breeding practices, the scale and scope of commercial breeding practices in growing parrot markets, particularly in the Middle East and Asia, and the lack of financial viability of captive breeding under effective regulation to prevent laundering or use of wild-sourced specimens as breeding stock. The capacity for captive breeding to displace demand for wild-sourced parrots varied between species, and complex interactions between trade in different species and contexts sometimes made consequences of commercial production difficult to predict. Decision makers and regulatory authorities should approach commercial captive breeding of parrots with caution and take into account knowledge gaps and cross-linkages between trade in different species to avoid unanticipated consequences from stimulating and facilitating unsustainable trade in wild-sourced parrots.
Una revisión de la cría comercial de loros en cautiverio como una intervención en la oferta para abordar el comercio no sustentable Resumen El volumen y la escala de la cría comercial de loros en cautiverio ha crecido de gran manera en las últimas décadas. Aunque se ha propuesto, y a menudo se asume, que la cría en cautiverio puede reducir la presión sobre las poblaciones silvestres, apenas se ha analizado la escala, viabilidad o impacto de este método para evitar la sobreexplotación de los loros, en comparación con enfoques similares en otros taxones amenazados, como pangolines o tigres. Revisamos la bibliografía primaria y gris para evaluar cuantitativa y cualitativamente las pruebas relativas a cinco criterios, establecidos a priori, para la cría comercial de loros en cautiverio como una intervención eficaz del lado de la oferta. Usamos una muestra de 16 especies amenazadas de loros que son objeto de intenso comercio o para las que el comercio no sustentable ha sido un factor en el declive de las poblaciones silvestre para representar una gama de grupos taxonómicos, historias de vida y regiones nativas. Identificamos múltiples vacíos importantes en el conocimiento de la medida en que se cumplen estos criterios, incluida la falta de datos cuantitativos sobre la productividad de la cría en las actuales prácticas de cría comercial, la escala y el alcance de las prácticas de cría comercial en los mercados de loros en crecimiento, especialmente en Medio Oriente y Asia, y la falta de viabilidad financiera de la cría en cautiverio bajo una regulación eficaz para evitar el lavado o el uso de especímenes de origen silvestre como plantel reproductor. La capacidad de la cría en cautiverio para desplazar la demanda de loros de origen silvestre varió según las especies y las complejas interacciones entre el comercio de diferentes especies y contextos dificultaron a veces la predicción de las consecuencias de la producción comercial. Los responsables de la toma de decisiones y las autoridades reguladoras deben abordar la cría comercial de loros en cautiverio con cautela y tener en cuenta los vacíos de conocimiento y los nexos cruzados entre el comercio de diferentes especies para evitar consecuencias imprevistas derivadas de estimular y facilitar el comercio no sustentable de loros de origen silvestre.
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Cruzamiento , Conservación de los Recursos Naturales , Especies en Peligro de Extinción , Loros , Animales , Loros/fisiología , Conservación de los Recursos Naturales/métodos , ComercioRESUMEN
Illegal poaching and overexploitation for the international pet trade are among the greatest threats to freshwater turtles in Southeast Asia. Expanding consumer research in China is crucial to filling knowledge gaps about the scale and structure of illegal trade and developing audience-targeted and relevant interventions that may reduce demand for illegal turtles as pets. We applied mixed methods to provide a detailed understanding of the consumer side of the illegal pet turtle trade in China. We conducted 30 interviews with key stakeholders and online surveys (n = 2456) of turtle keepers via community forums. From these, we identified 3 core consumer groups based on their prior turtle-keeping experience, species exposure, and potential for future purchases. We conducted a thematic qualitative analysis of concepts related to the capability, opportunity, motivation, and behavior (COM-B) model to determine the factors influencing the illegal pet turtle trade and to identify barriers to illegal purchases. Specifically, we identified purchasers' capabilities, opportunities, and motivations in the context of legality, enforcement risk, captive breeding, and impacts on wild population. We developed consumer journey maps (i.e., visual representations of customer's experiences throughout their buying journey) for core consumer groups. These maps illustrate the sequential behaviors and processes that consumers undertake when purchasing turtles, from initial exposure to sourcing, keeping, and providing a new home. Key factors influencing illegal purchases included convenient purchase channels, misguided cognition and motivations for pet keeping, and weak law enforcement. Effective interventions included messages focusing on shifting cognition and beliefs, increasing legal risk perception, and emphasizing stringent law enforcement, primarily delivered through online channels. Our results underscore the necessity for adaptable, audience-tailored interventions to reduce consumer demand for illegal wildlife products. The mixed-methods approach, combining quantitative and qualitative data, provided a comprehensive understanding of the target behavior and can inform the development of effective intervention strategies.
Uso de las percepciones del consumidor para guiar las intervenciones de cambio conductual enfocadas en el mercado ilegal de tortugas en China Resumen La caza furtiva y la sobreexplotación por el comercio internacional de mascotas son algunas de las mayores amenazas para las tortugas de agua dulce del sudeste asiático. Es esencial conocer más sobre los consumidores en China para llenar los vacíos en el conocimiento sobre la escala y la estructura del comercio ilegal y desarrollar intervenciones pertinentes y dirigidas al público que puedan reducir la demanda de tortugas como mascotas ilegales. Aplicamos métodos mixtos para conocer en detalle la percepción del consumidor del comercio ilegal de tortugas como mascotas en China. Realizamos 30 entrevistas a actores clave y encuestas en línea (n=2456) a cuidadores de tortugas a través de foros comunitarios. A partir de ellas, identificamos tres grupos principales de consumidores en función de su experiencia previa en la cría de tortugas, su exposición a las especies y su potencial para futuras compras. Realizamos un análisis cualitativo temático de conceptos relacionados con el modelo de capacidad, oportunidad, motivación y comportamiento (COMB) para determinar los factores que influyen en el comercio ilegal de tortugas e identificar las barreras para las compras ilegales. En concreto, identificamos las capacidades, oportunidades y motivaciones de los compradores en el contexto de la legalidad, el riesgo de aplicación de la ley, la cría en cautiverio y el impacto sobre la población silvestre. Elaboramos mapas de viaje del consumidor (representaciones visuales de las experiencias del cliente a lo largo de su compra) para los principales grupos de consumidores. Estos mapas ilustran los comportamientos y procesos secuenciales que llevan a cabo los consumidores cuando compran tortugas, desde la exposición inicial hasta la adquisición, el mantenimiento y la asignación de un nuevo hogar. Entre los factores clave que influyen en las compras ilegales se encuentran la conveniencia de los canales de compra, los conocimientos y motivaciones erróneos para mantener mascotas y la debilidad de la aplicación de la ley. Las intervenciones eficaces incluyeron mensajes centrados en cambiar los conocimientos y las creencias, aumentar la percepción del riesgo legal y hacer hincapié en la aplicación rigurosa de la ley, principalmente a través de canales virtuales. Nuestros resultados destacan la necesidad de intervenciones adaptables y adaptadas al público para reducir la demanda de productos ilegales de fauna silvestre por parte de los consumidores. El enfoque de métodos mixtos, que combina datos cuantitativos y cualitativos, proporcionó una comprensión exhaustiva del comportamiento objetivo y puede servir de base para el desarrollo de estrategias de intervención eficaces.
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Comercio , Conservación de los Recursos Naturales , Mascotas , Tortugas , Tortugas/fisiología , Animales , China , Conservación de los Recursos Naturales/legislación & jurisprudencia , Mascotas/psicología , Comportamiento del Consumidor , HumanosRESUMEN
Given the growing number of events involving exotic animals, it is crucial to prioritize the well-being of the animals involved. This study aims to evaluate the quality of animal presentation at a selected fair in Poland and assess the level of animal welfare evident in the exhibition boxes, contributing to the ongoing dialogue on this important issue. The evaluators used a five-point Likert scale and a Yes/No system to analyze the living conditions during the fair, including the size of containers, presence of substrate, and environmental enrichment. They also assessed the occurrence of visual abnormal postures and behaviors to gauge the overall level of welfare. To ensure the reliability and consistency of the data and minimize potential bias, each evaluator repeated the rating process three times, with a three-week interval between each session. An average value was then calculated for each aspect. A total of 818 animals were present at the fair, with 688 being reptiles (84.11%) and 130 being amphibians (15.89%). This study revealed that the provision of substrate scored higher for reptiles compared to amphibians, while the size of containers for amphibians received higher ratings than those for reptiles. Visual abnormalities in posture and behavior were more common in reptiles than in amphibians. Display containers for snakes received the lowest ratings and showed more visual abnormalities in posture and behavior, raising concerns about their welfare. Despite the presence of environmental enrichment, the overall level of animal welfare was assessed as being medium/low. Pearson's correlation coefficient indicated good reliability among the evaluators during the assessment process, with most assessments showing values > 0.8. Despite existing regulations for exhibitors, neglect remains prevalent. These findings highlight the potential negative impact of animal exposure at fairs on animal welfare. Display containers were often inadequately sized for the animals, particularly for snakes, chameleons, monitor lizards, and salamanders.
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The outflow of the natural thermal Lake of Hévíz is habitat of several fish species, with conservation relevance. In the past few years, numerous thermophile (tropically originated) fishes were reported in this waterbody, from which two species Parachromis managuensis (Günther, 1867), Vieja melanurus (Günther, 1862) characterized with strong, self-sustaining population. The aim of our research was to provide basic population data and to study their individual growth. The standard length of jaguar cichlid ranged from 37 to 283 mm (mean SL = 110.21 ± 65.4 mm), the redhead cichlid standard length varied between 30 and 203 mm (mean SL = 93.91 ± 40.0 mm). Slightly positive allometry (b > 3) was found in the case of both species. The von Bertalanffy Growth Function can be described as the following Lt = 343.6[1 - e-0.196(t+0.973)] in jaguar cichlid and Lt = 298.9[1 - e-0.113(t+0.997)] in the case of redhead cichlid. The Bertalanffy growth equations show slow growth for both species. Fulton's condition factor (K) values varied between 1.376 and 2.11 (mean K = 1.701 ± 0.17) in the case of jaguar cichlid, and between 1.391 and 3.033 (mean K = 2.237 ± 0.24) for redhead cichlid. These baseline population biology data from the first known self-sustaining, temperate-zone populations of two tropical cichlids provide information e.g., for future ecological risk assessments or comparative growth analyzes.
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Cíclidos , Ecosistema , Lagos , Animales , Cíclidos/crecimiento & desarrollo , Hungría , Especies Introducidas/tendenciasRESUMEN
Promoting human contact with wildlife can be harmful to animal conservation and welfare by exposing animals to unsafe situations and driving demand for wildlife tourism and exotic pets. Conservationists and researchers justifiably use social media to raise awareness, but professionals posting pictures of themselves with animals can have unintended negative consequences for conservation. Though the International Union for Conservation of Nature Best Practice Guidelines for Responsible Images of Non-Human Primates suggests researchers and animal professionals provide context in captions of images of humans interacting with primates, there is little research investigating whether this approach is effective. We investigated whether informative captions affect viewers' desires to have primates as pets and attitudes toward wildlife conservation. Using 4 mock Instagram posts depicting human-gorilla and human-slender loris interactions, we surveyed 2977 respondents to assess the effect of captions on viewers' perceptions of the images and primate conservation. Likert scale response data were analyzed with ordered probit regression models. Captions clearly contextualizing an image as research resulted in a significantly higher agreement that posts depicted wildlife research (gorilla ß = 0.28 [SE 0.06], p < 0.001; loris ß = 0.18 [0.06], p = 0.002), but such captions resulted in no significant difference in responses regarding viewers' desires to own primates as pets or questions regarding the primates' conservation statuses. Although most participants agreed the primates were endangered, more than 56% and 59%, respectively, stated they would have a gorilla or loris as a pet, that they would make good pets, or both, further supporting the conclusion that captions do not minimize harmful impacts of images of human-primate interactions.
Efectos de los pies de foto sobre la percepción del público de imágenes de la interacción humano-primate Resumen La promoción del contacto humano con la fauna puede ser dañina para la conservación y el bienestar animal al exponer a la fauna a situaciones poco seguras e incrementar la demanda por el turismo de fauna y las mascotas exóticas. Los conservacionistas y los investigadores usan con justificación las redes sociales para generar conciencia, pero los profesionales que publican imágenes de sí mismos con los animales pueden generar sin intención consecuencias negativas para la conservación. Aunque la Guía de Buenas Prácticas de la Unión Internacional para la Conservación de la Naturaleza para la Obtención Responsable de Imágenes de Primates No Humanos sugiere que los investigadores y profesionales de fauna proporcionen contexto en los pies de foto de las imágenes de humanos interactuando con primates, hay muy poca investigación sobre si esta estrategia es efectiva. Investigamos si los pies de foto informativos afectan el deseo del público de tener primates como mascotas y la actitud hacia la conservación de la fauna. Usamos cuatro publicaciones simuladas de Instagram representando interacciones humano-gorila y humano-loris para encuestar a 2,977 respondientes y estudiar el efecto de los pies de foto sobre la percepción del público de las imágenes y la conservación de primates. Analizamos los datos de respuesta de escala Likert con modelos de regresión probit ordenada. Los pies de foto que contextualizaban con claridad una imagen como trabajo de investigación resultaron en mayor aceptación de que las publicaciones representaban investigación sobre la fauna (gorila ß = 0.28 [SE 0.06], p < 0.001; loris ß = 0.18 [0.06], p = 0.002), pero dichos textos resultaron en una diferencia no significativa en las respuestas con respecto al deseo del público de tener primates como mascota o preguntas sobre el estado de conservación de los primates. Mientras que la mayoría de los participantes estuvo de acuerdo en que los primates están en peligro de extinción, más del 56% y 59%, respectivamente, afirmaron que tendrían un gorila o un loris como mascota, que serían buenas mascotas, o ambas. Esto suma a la conclusión de que los pies de foto no minimizan el impacto dañino de las imágenes de interacciones humano-primate.
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Background: Pet and feeder rodents are one of the main sources of emerging infectious diseases. These rodents are purchased from pet shops, breeders, and online. Consequently, some of these rodents may subtly transmit diseases as they may be asymptomatic to certain pathogens. Materials and Methods: We systematically searched four academic databases viz. Google Scholar, PubMed, Web of Science, and Scopus to determine zoonotic pathogens associated with pet and feeder rodents globally. Our searches were performed in R statistical software using the packages "metagear" and "revtool". Results: We found 62 studies reporting on zoonotic pathogens between 1973 and 2022 from 16 countries representing 4 continents, namely Africa, Europe, Asia, and North America. The review identified 30 zoonotic pathogens isolated from pet and feeder rodents, including the African pygmy mouse (Mus minutoides), brown rat (Rattus norvegicus), and the house mouse (Mus musculus). The greatest number of pathogens was reported from the United States, followed by Togo and the United Kingdom. Bacterial pathogens were the most prevalent. However, the Seoul virus and rat bite fever (Streptobacillus moniliformis) were the most studied pathogens, found in more than one country, with reported outbreak cases. Most of the zoonotic pathogens were isolated from rodents acquired from pet shops. Conclusions: We recommend that pet and feeder rodents purchased from pet shops should be regularly screened for potential zoonotic pathogens as some of these animals may not show clinical signs of the illness. There is also a critical need to develop strict regulations and policies, especially in underdeveloped and developing regions for an effective surveillance process, which will include early detection, rapid response, and control of zoonotic diseases globally.
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Enfermedades Transmisibles Emergentes , Ratas , Animales , Ratones , Muridae , Zoonosis/epidemiología , Bacterias , Brotes de Enfermedades , Enfermedades Transmisibles Emergentes/epidemiología , Enfermedades Transmisibles Emergentes/veterinariaRESUMEN
Free-ranging wild pig (Sus scrofa) populations may cause widespread environmental damage and transmit diseases at the wildlife-livestock interface. For example, African swine fever (ASF) is a highly contagious viral disease of pigs capable of causing catastrophic economic losses. Prevention and preparedness for ASF require understanding wild and domestic pig movements and distribution. We characterized a "grey" swine market and described the risks it poses, contributing to the threats associated with wild pig populations. We monitored www.kijiji.ca, a Canadian internet classified advertising service, for sales of domestic wild boar, pot-bellied pigs, other breeds, and their hybrids across Canada from 28 April to 30 June 2021. Data collected included seller-defined breed, age, sex, number for sale, sexual intactness, presence of identifying tags or tattoos, and the date and location of listings. Advertisement locations were mapped and compared with existing wild pig distributions, identifying areas new populations might be established, and existing populations supplemented or genetically diversified. We identified 151 advertisements on Kijiji: 34% (n=52/151) from Ontario, 29% (n=44/151) from Alberta, 41% (n=62/151) from existing wild pig populations, and 59% (n=89/151) from areas where wild pigs have not yet been identified. We propose requiring the use of individual animal identifiers (tags/tattoos), genetic analysis, and mandatory reporting for all pig sales in Canada to aid in ASF preparedness and to increase regulation and enforcement of the online swine market.
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Virus de la Fiebre Porcina Africana , Fiebre Porcina Africana , Enfermedades de los Porcinos , Porcinos , Animales , Fiebre Porcina Africana/epidemiología , Fiebre Porcina Africana/prevención & control , Animales Salvajes , Sus scrofa , Alberta , Enfermedades de los Porcinos/epidemiología , Enfermedades de los Porcinos/prevención & controlRESUMEN
This contribution presents the occurrence of epibiotic species associated with Neocaridina davidi shrimp collected in the wild, aquaculture ponds, and aquaria. A total of 900 shrimp are imported from Taiwan, three-quarters of which host at least one of the recorded epibionts. Among those epibionts, two species new to science are discovered, Cladogonium kumaki sp. nov. and Monodiscus kumaki sp. nov., while the other two, Holtodrilus truncatus and Scutariella japonica, are redescribed. The largest number of epibionts is found in shrimp collected from aquaculture ponds and the lowest in individuals from aquaria. Epibiont occurrence differs across designated microhabitats. The epibionts may be introduced alongside their host outside their native range, and their presence may affect shrimp breeding rates. Thus, more control over them should be provided. Their spread can be limited by removal from the host during molting or manually, as well as by using interspecies interactions.
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Cotton-top tamarins (Saguinus oedipus) are a critically endangered species found only in Colombia. Their survival is threatened by extensive habitat destruction and the illegal pet trade. Because many people in Colombia have a low level of awareness of cotton-top tamarins and even less understanding of the impacts that the illegal pet trade has on the species and its long-term survival, Proyecto Tití has developed a series of programs for children in rural elementary schools that introduce children to cotton-top tamarins. This study examines Proyecto Titi's efforts to reduce the desire to have a cotton-top tamarin as a pet with outcomes focused specifically on (1) creating an emotional connection between people and cotton-top tamarins, (2) identifying the feelings and understanding the challenges that cotton-top tamarin face when they are kept as pets, and (3) empowering students to make positive choices to help cotton-top tamarins. Both TITI KIDS and TITIRITIANDO programs helped students to (1) increase their knowledge of cotton-top tamarins, (2) understand the damage that the pet trade has on individual animals and the long-term survival of cotton-top tamarins and (3) provide practical actions that they can engage in to protect cotton-top tamarins for the future. Our hope is that students from our programs become advocates for conservation in their communities and assist in the long-term conservation activities to protect cotton-top tamarins in Colombia.
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Ecosistema , Saguinus , Animales , Especies en Peligro de Extinción , ColombiaRESUMEN
Two novel species of Psalmopoeus Pocock, 1895 are described from the north-western and central-western slopes of the Cordillera Occidental of the Andes mountain range in Ecuador. The new species are easily differentiated from other congeners of Psalmopoeus by spermathecae and male palpal bulb morphology and a comparatively distant distribution to the type localities of the geographically nearest known congeners. The diagnosis of P.ecclesiasticus Pocock, 1093 is revised and updated, considering the novel species and observations on spermatheca of this species. Likewise, an evaluation is provided for the new species in terms of conservation due to the various threats impacting ecosystems and ecosystem services of their type localities. Finally, the importance of theraphosid spiders in Ecuador and South America and their possible conservation requirements are discussed and assessed.
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Lizards within the Iguana iguana species complex are among the most common reptilian pets, with the widest natural geographic range among iguanids. Deep phylogenetic divergence distinguishes multiple mitochondrial clades, and several taxonomic changes have recently been proposed. These small populations, typically island endemics, are threatened by numerous factors, including the international pet trade. Recent investigations reveal the absence of required CITES permits for lawful export of animals, providing evidence of ongoing illegal trade. Additional monitoring of trade in iguanas can be achieved through the application of forensic molecular techniques. In this study, two captive melanistic iguanas were genotyped for molecular markers for which geographic distributions of alleles have been established. Mitochondrial sequencing indicates that both animals carry a haplotype known to originate from the islands of Saba and Montserrat, populations taxonomically proposed to be Iguana melanoderma. Genotypes at 15 microsatellite loci are equally consistent with this origin, given the results of a principal component analysis. This first forensic genetic assessment within the extensive I. iguana pet trade highlights the presence of illegal activity. The need for additional forensic assessments of pet-trade iguanas is evident, especially given that their value is driven by variety and rarity, which is further intensified by recent taxonomic changes.
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Sturgeons rank among the most endangered vertebrates in the world. Yet, the dwindling of wild sturgeon populations stands in stark contrast to their thriving status in aquaculture. Moreover, through the exotic pet trade, sturgeons are introduced outside their natural ranges where they may compete and hybridize with native species and transmit parasites and diseases. Here, we present an in-depth inventory of alien sturgeons in the delta of the rivers Rhine and Meuse, because several countries consider reintroduction of the native, critically endangered European sturgeon (Acipenser sturio). Our study is based on (a) an inventory of the industry of sturgeon cultivation; (b) reports on spread of alien sturgeons; (c) an analysis of pathways for introduction and spread; and (d) a risk assessment using the Harmonia+ protocol. In total, 11 alien Acipenseriformes (sturgeons and paddlefishes) were traded across an intricate network of >1000 distribution points in the Netherlands, Belgium, and Germany. Circa 2500 alien sturgeons were reported from 53 angling ponds and 64 other lakes and ponds, whereas circa 500 alien sturgeons were reported widespread across hydrologically connected waters. Species that posed the highest risk of introduction, establishment and spread are Siberian sturgeon (A. baerii), Russian sturgeon (A. gueldenstaedtii) and Sterlet (A. ruthenus). We recommend to implement stringent trade regulations and practical solutions to prevent spread of alien sturgeons. Measures must preferably be taken at the spatial scale of river basins.
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Especies Introducidas , Ríos , Animales , Acuicultura , Peces/metabolismo , Federación de RusiaRESUMEN
The global pet trade is a major pathway for the introduction of invasive alien species. The composition of species selected for transport is driven by market demands, which may be influenced by a combination of both historical and cultural factors. We compared Eastern (Taiwan) and Western (Australia and the Iberian Peninsula) bird markets to explore factors associated with the species composition and geographic origin of the birds for sale. We used a bespoke randomization test to compare species composition, geographic origins, and species overlap at different taxonomic levels among bird markets across countries. Alien species identified in the study accounted for more than 10% of the world's bird species. Parrots and songbirds were the most common alien bird taxa traded across all markets. In both Iberian and Australian markets, there was a strong bias toward parrots, waxbills, gamebirds, and finches. In Taiwan, species traded more than expected were parrots, waxbills, starlings, and leafbirds. Neotropical species were the most traded group in the three markets. Afrotropical species were also traded more than expected in Iberian and Australian markets, while the Taiwanese traded more alien species from neighboring Asian regions. The bird trade focuses on the same few bird groups worldwide. The composition and origin of species preferred in the Western markets may be influenced by colonial histories, cultural similarity, and strict regulations on wildlife importation, while species preferences in Eastern markets are strongly influenced by regional culture and proximity. Propagule pressure is a dominant factor influencing the success of biological invasions; it is important to recognize differences in the composition of bird markets among regions because they can translate into different invasion risks, among other factors.
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The leopard gecko, Eublepharis macularius, is a widely used model organism in laboratory and experimental studies. The high phenotypic diversity in the pet trade, the fact that the provenance of different breeding lines is unknown, and that distinct Eublepharis species are known to hybridize, implies that the continued use of E. macularius as a model requires clarity on the origin of the lineages in the pet trade. We combine multi-locus sequence data and the first range-wide sampling of the genus Eublepharis to reconstruct the evolutionary history of the Eublepharidae and Eublepharis, with an updated time-tree for the Eublepharidae. Our sampling includes five of the six recognized species and additional nominal taxa of uncertain status comprising 43 samples from 34 localities plus 48 pet-trade samples. The Eublepharidae began diversifying in the Cretaceous. Eublepharis split from its sister genera in Africa in the Palaeocene-Eocene, and began diversifying in the Oligocene-Miocene, with late Miocene-Pliocene cladogenesis giving rise to extant species. The current species diversity within this group is moderately underestimated. Our species delimitation suggests 10 species with four potentially unnamed divergent lineages in Iran, India and Pakistan. All 30 individuals of E. macularius that we sampled from the pet trade, which include diverse morphotypes, come from a few shallow E. macularius clades, confirming that lab and pet trade strains are part of a single taxon. One of the wild-caught haplotypes of E. macularius, from near Karachi, Pakistan, is identical to (10) pet-trade samples and all other captive populations are closely related to wild-caught animals from central/southern Pakistan (0.1-0.5 % minimum pairwise uncorrected ND2 sequence divergence).
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Lagartos , Fitomejoramiento , África , Animales , Especiación Genética , Lagartos/genética , FilogeniaRESUMEN
Wildlife trade has rapidly expanded on social media platforms in recent years, offering an easy means for traders to access international markets. Investigating this trade activity poses a complex challenge to researchers seeking to understand online trade and moderators seeking to disrupt illicit and harmful activity. Current survey methods frequently rely on text-based searches and focus on posts in which the advertisement is explicit. However, such approaches risk overlooking a growing volume of relevant content, particularly outside social media groups. We used posts from pages promoting West African birds for trade as a case study to explore the availability of information for making inferences about trade activity on social media, specifically information indicating that trade activity was occurring or that could be used to infer trade routes. We recorded 400 posts from 12 pages that we inferred either promoted or facilitated wildlife trade, of which 19.7% were explicit advertisements and 23.8% contained taxa-related terms. In the remaining 341 posts, profile information was the most common indicator of trade activity, but a variety of indicators (e.g., images of birds in trade and trade enquiries) were identified across imagery, text, and comments. We identified multiple types of geographical information that could help infer trade routes and thus the likely legality of trade, although most were relatively rare and sometimes contradictory. Our findings suggest that triangulating multiple types of information from within, across, and beyond posts is vital for effectively identifying and interpreting wildlife trade content on social media. Therefore, were commend that expert-mediated triangulation should be integrated in and used alongside automated detection systems and moderating practices of social media companies.
Identificación de las Oportunidades para la Triangulación Mediada por Expertos en el Monitoreo del Mercado de Fauna en las Redes Sociales Resumen El mercado de fauna se ha expandido rápidamente en las redes sociales en años recientes, brindando un medio sencillo para que los comerciantes tengan acceso a los mercados internacionales. El estudio de esta actividad comercial representa un reto complejo para los investigadores que buscan entender el comercio en línea y para los moderadores que intentan interrumpir la actividad ilegal y dañina. Los métodos actuales de censos dependen frecuentemente de búsquedas basadas en texto y se enfocan en publicaciones en las que el anuncio es explícito. Sin embargo, dichas estrategias corren el riesgo de ignorar el volumen creciente de contenido relevante, particularmente aquél fuera de los grupos de las redes sociales. Usamos como estudio de caso las publicaciones obtenidas de páginas que promocionaban aves del oeste de África para su comercio y así exploramos la disponibilidad de información para inferir sobre la actividad comercial en las redes sociales, específicamente la información que indicaba que estaba ocurriendo la actividad comercial o que podría usarse para inferir las rutas de comercio de fauna. Registramos 400 publicaciones de doce páginas que inferimos promocionaban o facilitaban el comercio de fauna, de las cuales el 19.7% fueron anuncios explícitos y el 23.8% contenía términos relacionados con los taxones. En las restantes 341 publicaciones, la información del perfil fue el indicador más común de la actividad comercial, pero una variedad de indicadores (p. ej.: imágenes de aves en el mercado o preguntas sobre su venta) también fueron identificados en las imágenes, textos y comentarios. Identificamos diferentes tipos de información geográfica que podría ser útil para inferir rutas de comercio y, por lo tanto, su probable legalidad, aunque en la mayoría de los casos estas rutas fueron poco frecuentes o contradictorias. Nuestros hallazgos sugieren que la triangulación de diferentes tipos de información dentro, entre y más allá de las publicaciones es vital para identificar e interpretar efectivamente contenidos sobre el comercio de fauna en las redes sociales. Por ello recomendamos integrar la triangulación mediada por expertos y usarla en conjunto con los sistemas automatizados de detección y prácticas de moderación con los que cuentan las compañías de redes sociales.
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Animales Salvajes , Medios de Comunicación Sociales , Animales , Aves , Conservación de los Recursos Naturales , HumanosRESUMEN
An undescribed species of freshwater ostracod belonging to the genus Pseudostrandesia Savatenalinton and Martens, 2009 was collected from two pet shops in the Kanto region of central Japan. This species, herein named Pseudostrandesia tenebrarum sp. nov., is similar to four species previously reported from Southeast Asia, but can be distinguished by carapace and appendage features. It is the second species of the genus for which males are known. Of the nine previously described species in the genus, one is exclusively known from Turkey, and the others are found in Southeast Asia and the vicinity, one of which is also recorded in India and east China. There are two scenarios to explain the existence of Pseudostrandesia tenebrarum sp. nov. in pet shops in Japan: it is either native to Japan but has yet to be discovered in its natural habitat, or it is an alien species, perhaps unwittingly imported with plants or fish for the pet trade. We review the likelihood of both scenarios, and conclude that although there is insufficient evidence to be sure, it is potentially an alien species in Japan. The most likely origin is Southeast Asia, as evidenced by its close morphological resemblance to particular Southeast Asian species. Juveniles as well as adults were recovered, indicating that this species is reproducing in the pet trade, supporting the notion that it has invasive potential to areas outside of its natural range. The description and report of this species highlights a possible introduction of an alien species to Japan, and facilitates further monitoring.
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Crustáceos/clasificación , Especies Introducidas , Animales , Crustáceos/anatomía & histología , Femenino , Japón , Masculino , Especificidad de la EspecieRESUMEN
Nannizziopsis guarroi is an ascomycete fungus associated with a necrotizing dermatitis in captive green iguanas (Iguana iguana) and bearded dragons (Pogona vitticeps) across both Europe and North America. Clinical signs of the disease include swelling and lesion formation. Lesions develop from white raised bumps on the skin and progress into crusty, yellow, discolored scales, eventually becoming necrotic. The clinical signs are the basis of a colloquial name yellow fungal disease (YFD). However, until now, N. guarroi has not been confirmed as the primary agent of the disease in bearded dragons. In this experiment, we fulfill Koch's postulates criteria of disease, demonstrating N. guarroi as the primary agent of YFD in bearded dragons.
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Chrysosporium , Lagartos , Micosis , Onygenales , Animales , Lagartos/microbiología , Micosis/microbiologíaRESUMEN
Biological invasions are increasingly recognized ecological and economic threats to biodiversity and are projected to increase in the future. Introduced freshwater crayfish in particular are protruding invaders, exerting tremendous impacts on native biodiversity and ecosystem functioning, as exemplified by the North American spiny-cheek, signal and red swamp crayfish as well as the Australian common yabby. The marbled crayfish is among the most outstanding freshwater crayfish invaders due to its parthenogenetic reproduction combined with early maturation and high fecundity. As their introduced ranges expand, their sympatric populations become more frequent. The question of which species and under what circumstances will dominate in their introduced communities is of great interest to biodiversity conservation as it can offer valuable insights for understanding and prioritization of management efforts. In order to examine which of the aforementioned species may be more successful as an invader, we conducted a set of independent trials evaluating survival, growth, claw injury, and reproduction using single-species stocks (intraspecific interactions) and mixed stocks (interspecific interactions) of marbled crayfish vs. other crayfish invaders since the onset of exogenous feeding. In both single and mixed stocks, red swamp crayfish and yabby grew faster than marbled crayfish, while marbled crayfish were superior to both spiny-cheek and signal crayfish in terms of growth. With the exception of signal crayfish, the faster-growing species consistently reached a higher survival rate. The faster-growing species tended to negatively impair smaller counterparts by greater claw injury, delayed maturation, and reduced fecundity. Only marbled crayfish laid eggs as early as 14 weeks in this study, which is earlier than previously reported in the literature. Thus, the success of marbled crayfish among invasive crayfish is significantly driven by relatively fast growth as well as an early and frequent reproduction. These results shed light on how interactions between invasive populations can unfold when their expansion ranges overlap in the wild, thereby contributing to the knowledge base on the complex population dynamics between existing and emerging invasive species.
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Humans have used non-human primates (hereafter referred to as primates) as food source, medicine, parts of rituals, pets, and models for various studies worldwide. Here we investigated the extent of the use of primates by humans in three areas in northeastern Brazil, the country's most impoverished region. We carried out our study in three biomes (Caatinga, Cerrado, and Atlantic Forest). The results showed that humans exploited all five primate species occurring in the study sites: Callithrix jacchus, Sapajus flavius, Sapajus libidinosus, Alouatta belzebul, and Alouatta ululata. They used the primates as a food source, as pets and medicines, and for leisure. Despite socioeconomic differences in the study areas, we found similarities in the use of primates. Larger primates were targeted for meat, whereas the small common marmosets were targeted as pets. We found conflicting interactions between humans and bearded capuchins due to crop raiding, but no such conflict was found between humans and blonde capuchins, reflecting the differences in crop type, pattern, and tradition in the sites. A. ululata was used as medicine. We suggest that environmental education actions in the study areas should focus on (i) raising awareness among local people of the ecological importance of primates, (ii) providing alternative activities to hunting whenever possible, and (iii) minimising conflicts.
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Ecosistema , Sapajus , Animales , Brasil , Callithrix , Bosques , Humanos , PrimatesRESUMEN
Cheetahs (Acinonyx jubatus) are a keystone predator of savanna systems in Africa, yet their populations have dramatically declined due to pressures such as human-wildlife conflict, loss of habitat, and most notably the illegal trade in live cheetah cubs as pets. We provide the most extensive dataset relevant to seized and non-intercepted illegal trade in live cheetahs and cheetah parts for the decade 2010-2019, spanning over 300 sources and 56 countries in Africa, the Middle East, Asia, Europe, Oceania and North America. It includes 1,884 individual incidents involving at least 4,000 cheetahs or cheetah parts or products likely or confirmed to breach national laws or CITES regulations. While the covert nature of illegal trade of any kind makes it extremely difficult to capture its true volume, we believe that the information contained in this dataset demonstrates the need for a more in-depth look into illegal cheetah trade, including sustainability assessments with emphasis in regions where cheetah populations are small and widely exploited, such as the Horn of Africa, as this dataset suggests. Ultimately, such actions could lead to improved enforcement and legal frameworks, and provide a guide for CITES actions involving international cooperation and demand reduction efforts.