Abstract
The extant freshwater sinipercids represent a group of 12 species and they are endemic to East Asia. In this study, we cloned and sequenced the complete mitochondrial DNA of Siniperca obscura from the Lijiang River. The size of the complete mitochondrial genome is 16,492 bp. The organization of the mitochondrial contained 37 genes (13 protein-coding genes, 2 ribosomal RNA and 22 transfer RNAs) and a major non-coding control region as well as those reported sinipercid fishes. Among the 13 protein-coding genes, three reading-frame overlaps were found: ATP8 and ATP6 overlap by 10 nucleotides and ND4 and ND4L overlap by 7 nucleotides and ND5 and ND6 overlap by 5 nucleotides. Phylogenetic analyses using N-J and maximum parsimony (MP) computational algorithms showed that S. chuatsi and S. kneri are sister species, next joined by S. Obscura, based on combined 12 protein-coding genes (excluding DN6).
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