Complete mitochondrial genomes and phylogenetic analysis of four Baikal endemic Batrachocottus species (Scorpaeniformes: Cottoidei)

Abstract

Baikal sculpins are the most species-rich and ecologically diverse group of fishes in the Lake. We analyzed complete mitochondrial genomes from four species of the endemic Baikal genus Batrachocottus (B. baicalensis, B. multiradiatus, B. talievi, and B. nikolski). Mitogenome sequences are 16,523–16,535 bp in length with a mitogenomic organization and gene arrangement identical to that of typical teleosts. Phylogenetic analysis using the Bayesian method positioned B. baicalensis outside the monophyletic clades of the genus Batrachocottus. Batrachocottus multiradiatus and B. talievi are sister species.

Keywords:

• Cottoidei
• Baikal sculpins
• Batrachocottus
• mitochondrial genome
• phylogeny

Disclosure statement

No potential conflict of interest was reported by the authors.

Data availability statement

The genome sequence data that support the findings of this study are openly available in GenBank (https://www.ncbi.nlm.nih.gov/) under the accession numbers MT527180 (B. baicalensis), MT527181 (B. multiradiatus), MT527182 (B. nikolskii), and MT527183 (B. talievi).

Specimens were deposited at Limnological Institute of the SB RAS, Irkutsk, Russia (http://lin.irk.ru , contact person: Veronika Teterina, email: [email protected]) under the voucher number Bb20 for B. baicalensis, Bm2_O for B. multiradiatus, Bn316 for B. nikolskii and Bt268 for B. talievi.

Additional information

Funding

This work was supported by the state project LIN SB RAS no. 0279-2021-0005.