Portal de Pesquisa da BVS Veterinária

Braz. J. Biol.; 79(3): 552-553, jul.-set. 2019. ilus

Artigo em Inglês | VETINDEX | ID: vti-742079

Resumo

The Oligochaeta (Annelida: Clitellata) is known to have important participation in the aquatic macroinvertebrates fauna, mainly due to its active participation in the organic matter decomposition ( Esteves et al., 2011 ). Despite its ecological importance, the knowledge about this taxon is still incipient ( Timm et al., 2001 ; Gorni et al., 2015 ). According to Alves et al. (2008) , Petsch et al. (2015) , Maroneze et al. (2011) and Ragonha et al. (2014) , these organisms can be found living on sandy substrates or in organic matter enriched environments ( Behrend et al., 2012 ). In addition, these organisms are also recorded associated with aquatic macrophytes and leaf litter ( Trivinho-Strixino et al., 2000 ; Alves and Gorni, 2007 ; Gorni and Alves, 2007 ; Oliveira et al., 2014 ) with sponges ( Gorni and Alves, 2008 ) gastropods ( Gorni and Alves, 2006 ), insect larvae ( Corbi et al., 2004 ) and amphibians ( Oda et al., 2015 ). Recent studies ( Gorni et al., 2015 ) recorded 75 species of aquatic oligochaetes in the State of São Paulo, in which 64 species (85%) belong to the Naididae family. This family stands out as diverse and abundant, being composed of eight subfamilies totalizing about 50% of the oligofauna described on the Earth. ( Rodriguez and Reynoldson, 2011 ). In this article, we report the first record of Nais schubarti Marcus 1944 for the State of São Paulo ( Figure 1 ). Sediment samples were collected by the Water Communities Sector (ELHC) of CETESB, and are part of the Sediment Quality Monitoring Network Project.(AU)

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