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In this study, we sequenced and annotated the complete mitochondrial genome ofPampus argenteus(Perciformes: Stromateidae). The mitogenome is 17,098 bp in length, which contains 13 protein-coding genes, 2 rRNA genes, 23 tRNA genes and 2 non-coding regions: origin of light-strand replication (OL) and control region (D-loop). The overall nucleotide base composition ofP. argenteusmtDNA is A 30.35%, C 25.55%, G 15.28% and T 28.82%, with an A + T content of 59.17%. Except forND6gene and eight tRNA genes, all other mitochondrial genes were encoded on the heavy strand. The mitochondrial genome ofP. argenteusmay be helpful to the studies on conservation genetics and stock evaluation ofP. argenteusresource, as well as molecular phylogeny and species identification of Stromateidae. [ABSTRACT FROM AUTHOR]

In this study, we obtained the complete mitochondrial genome sequence ofSphyraena jelloand analyzed its phylogenetic position. The complete mitogenome ofS. jellois 16 699 bp in length, consisting of 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes, and a control region. Among the 37 genes, 28 were encoded on heavy strand, while 9 were encoded on light strand. The overall base composition was 28.97% for A, 16.14% for G, 29.64% for C, and 25.25% for T, with a higher A + T content (54.22%). The phylogenetic analysis based on 13 concatenated protein-coding genes suggested thatS. jellois a sister species toSphyraena barracudain the family Sphyraenidae. This result should be useful for understanding the genetic structure, molecular evolution, and phylogeny ofS. jelloand related species. [ABSTRACT FROM AUTHOR]