TY JOUR TI ECOLOGICAL FEATURES OF ARTIFICIAL BREEDING OF SNAKEHEADS CHANNA NOX (SCOPOLI, 1777) (TELEOSTEI: CHANNIDAE) IN AQUARIUM SYSTEMS KW snakehead KW reproductive behavior KW nest KW producers JO Fisheries AU Artuh, S.N. AU Litvinenko, A.V. PY 2021 IS 2021 PB FSBI "TSUREN"