Complete mitochondrial genome sequence of Squalidus chankanensis tsuchigae (Cypriniformes: Cyprinidae).

We determined the complete mitochondrial genome sequence of Squalidus chankanensis tsuchigae (Cypriniformes: Cyprinidae). It is 16,603 bp long, with 13 protein-coding genes, 22 transfer RNAs, 2 ribosomal RNA genes, and 1 control region, which is 927 bp long, located between tRNApro and tRNAphe. The overall base composition is as follows: 29.98% A, 16.86% G, 25.44% T, and 27.72% C, with a slight AT bias. These results provide necessary data for phylogenetic studies on Squalidus species.