BIOLOGIYA MORYA, 2021, Vol. 47, No. 1, pp. 67-72

The First Record of Spawning Ground of the Mud Skate Bathyraja taranetzi (Dolganov, 1983) and the Okhotsk Skate B. violacea (Suvorov, 1935) in Pacific Waters off the Northern Kuril Islands

© 2021 A. A. Balanov1, V. V. Panchenko1, A. B. Savin2

1A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, Vladivostok 690041, Russia;
2Pacific Branch, Russian Federal Research Institute of Fisheries and Oceanography (TINRO), Vladivostok 690091, Russia

A spawning ground of the mud skate Bathyraja taranetzi and the Okhotsk skate B. violacea was recorded for the first time from Pacific waters off the northern Kuril Islands. It was located at 50°25'7" N, 157°22'7" E, and a depth of 350-351 m; the water temperature was 3.8°C. At the spawning ground, egg cases and recently hatched juveniles were found in large numbers.

Key words: Bathyraja taranetzi, Bathyraja violacea, spawning ground, egg case, size, Paramushir Island.