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Abstract
In this study, we determined the complete mitochondrial genome of the Illex argentinus. The genome was 20,278 bp in length and contained 18 protein-coding genes, 23 transfer RNA genes, 2 ribosomal RNA genes and 3 main non-coding regions. The composition and order of genes were different to some other invertebrates. The overall base composition of I. argentinus was A 39.23%, C 17.50%, T 33.71% and G 9.56%, with a highly A + T bias of 72.94%. All of the three control regions (CR) contained termination-associated sequences and conserved sequence blocks. This mitogenome sequence data would play an important role in the taxonomic resolution and phylogeography of the Ommastrephidae.
Declaration of interest
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper. This study was supported by the Scientific Research Foundation (SRF), Zhejiang Ocean University; National Project of Scientific and Technical Supporting Programs Funded by Ministry of Science & Technology of China (No. 2011BAD13B08); Public science and technology research funds projects of ocean (No. 201405014); Major projects of Zhejiang Ocean University (No. X12D01).