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The complete mitochondrial genome of the Ephippus orbis (Perciformes: Ephippidae)

Abstract The complete mitochondrial genome of the Ephippus orbis has been sequenced. The mitochondrial genome is 16 670 bp in length, containing 13 protein-coding genes, 2 ribosomal RNA genes, 22 transfer RNA genes, and one control region. The gene order and the composition of E. orbis mitochondrial genome were similar to that of most other vertebrates. The overall nucleotides base composition of the heavy strand is A (27.17%), G (16.41%), C (31.46%), and T (24.96%). With the exception of the NADH dehydrogenase subunit 6 (ND6) and eight tRNA genes, all other mitochondrial genes are encoded on the heavy strand. Seen from the phylogenetic tree (Figure 1), E. orbis, Platax teira, and Platax orbicularis from the same family (Ephippidae) clustered into one branch and were significantly divergent from the other families of closely related fish species.