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Lamprotula tortuosa is the endemic species of freshwater pearl mussel in China. The complete F-type mitochondrial genome of L. tortuosa was first determined. This circle genome (15,722 bp in size) comprises 13 protein-coding genes, 22 tRNA genes, 2 rRNA genes, except for COI, CYTB, ND6, and ND4L, with TTG, ATT, ATT, and ATA start codon, respectively; the remaining protein-coding genes initiated with the orthodox ATG start codon. There were 25 noncoding regions found throughout the mitogenome of L. tortuosa, ranging in size from 1 to 241 bp, the largest of which is between ND5 and tRNAGln (241 bp), but is shorter than the control region sequences(about 280 bp) of freshwater mussels from Poland and South Korea. [ABSTRACT FROM AUTHOR]

Yellow catfish ( Pelteobagrus fulvidraco) belongs to the family Bagridae, which is one of the most important economic freshwater aquaculture species in China. In this study, we reported the complete sequence of the mitochondrial genome of P. fulvidraco. The complete mitochondrial genome is 16,527 bp in length, including the typical structure of 22 transfer RNA genes, 13 protein-coding genes, two ribosomal RNA genes, and the non-coding control region. Both the termination-associated sequence and critical central conserved sequences (CSB-D, CSB-E, and CSB-F) was also detected. [ABSTRACT FROM AUTHOR]