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Abstract
Squatina japonica belonging to the monogenetic family Squatinidae is endemic to the Northwest Pacific. The complete mitochondrial genome sequence of S. japonica is 16,689 bp long and comprises 13 protein-coding genes, 22 tRNA genes, 2 rRNA genes, and 1 control region. The base composition of the genome is 31.10% A, 31.04% T, 24.42% C, and 13.43% G. The geographic clade and phylogenetic relationship of S. japonica are ambiguous. Therefore, studying the complete mitochondrial genome of S. japonica is highly important to understand the aforementioned aspect and to analyze the conservation genetics in the genus Squatina.
Acknowledgements
The authors are grateful to Dr. Nong Zhang and Miss Haiting Zhang for their help in the lab work and specimen preparation.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing style of this article. This study was funded by the National Natural Science Foundation of China (30970321; 31272287) and the JSPS Invitation Fellowship Program for Research in Japan.