[Relation between the structure of the skate brain and its ecology].

The original and the literature data on the brain structure in 20 species of skates have been examined in connection with their systemic position and ecology. Certain morpho-ecological brain peculiarities have been defined which are also specific for other groups of Chondrostei, such as: sharks and Holocephala. Allunion Institute of Marine Fishery and Oceanography, Moscow.