Cognateosymtes serraticoxae Labay, 2018

Figures 1c, 2c, f, i, l, o, 3f, g, h, 10

Cognateosymtes serraticoxae Labay, 2018: 223–228, figs. 2–6.

Additional material. 1 females, Sea of Okhotsk, Far East of Russia (46º59,175´N, 143º06,416´E, 20 m), rock, V. S. Labay, 18 July 2019 .

Ecology. Cognateosymtes serraticoxae was found in the depth interval of 17–20 m on rock bottoms. Females with developed oostegites were detected in both localities in July.

Distribution: The shelf of Sakhalin Island, Sea of Japan (Labay 2018). Recently (2019) discovered by the author in the Sea of Okhotsk on the shelf of south-eastern Sakhalin Island (Fig. 11).

Remarks. The specimen of Cognateosymtes serraticoxae from shallow waters off southeastern Sakhalin Island are morphologically completely identical to specimens of the type series from coastal waters off southwestern Sakhalin Island (Labay 2018).