Sea star from the northwestern Pacific referred to as Henricia aspera Fisher and H. a. robusta Djakonov (Echinodermata, Echinasteridae) is amphiboreal H. oculata (Pennant)

The sea star Henricia oculata (Pennant, 1777) is a common species known from the northern Atlantic for more than two centuries. This species has never been reported from Russian coastline along the Arctic and northwestern Pacific. Here, we report its population from Bering Sea off Mednyi Island of Commander Islands archipelago. DNA barcode of H. oculata from Commander Islands, which is a fragment of mitochondrial 16S rRNA gene, is similar to the...