Abstract
Sinocyclocheilus longibarbarus and Sinocyclocheilus punctatus were collected from a karst cave Libo County, southwest of China. The two Sinocyclocheilus species can be distinguished obviously by external morphological characteristics. In this study, the complete mitochondrial genome sequences of two species were assembled, and both sequences reflected gene organization typical for mitochondrial DNA of the genus Sinocyclocheilus, comprising of 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes (rRNAs), and a large non-coding control region. Phylogenetic analysis showed that S. punctatus was first clustered together with S. mutipunctatus, and S. longibarbarus was closely related to S. yishanensis. The complete mitogenome of two species may provide useful information for the further taxonomic and phylogenetic studies.
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