We present the first report of the complete mitochondrial genome of Opsariichthys uncirostris amurensis, which consists of 16,613 base pairs harboring 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, and a control region (D-loop). The overall base composition of the complete genome is A (27.15%), C (27.15%), T (26.77%), G (18.92%). The complete mitogenome of O. uncirostris amurensis, which was most closely related to O. bidens in the Bayesian inference tree, provides a better understanding of the phylogeny of the genus Opsariichthys.
Keywords: Complete mitochondrial genome; Cyprinidae; Opsariichthys uncirostris amurensis; freshwater fish.
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