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Reports complete mitochondrial genome in hybrid flounder, highlighting genetic resources for breeding.
The starry flounder (Platichthys stellatus) and the spotted halibut (Verasper variegatus) are economically important flatfish species in Korea. The hybrid P. stellatus (♀) × V. variegatus (♂) has attracted attention in aquaculture. In this study, we report the first complete mitochondrial genome sequence of this hybrid flatfish, obtained using next-generation sequencing. The mitogenome is 16,874 bp in length and comprises 13 protein-coding genes, 22 tRNAs, and two rRNAs. Phylogenetic analysis revealed that the hybrid clusters with its maternal species, P. stellatus, confirming strict maternal inheritance of mitochondrial DNA. These findings provide genomic resources for phylogenetics and hybrid flatfish breeding.
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Kim et al. (2026) studied this question.
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