Morfofunktsional'naya Kharakteristika Reproduktivnoy Sistemy

Gorchaki yavlyayutsya odnimi iz samykh massovykh vidov ryb, obladayushchikh vysokoy pishchevoy tsennost'yu v pitanii khishchnykh ryb. Tem ne menee, ne tol'ko biologiya, no i ikh vidovoy sostav do nastoyashchego vremeni v reke Amur ostayutsya ochen' slabo izuchennymi. Biologiya peskarey-leney takzhe ostaetsya pochti ne izuchennoy. Nami vpervye polucheny i obobshcheny dannye po morfofunktsional'noy kharakteristike yaytsekladov, konicheskikh organov i yaichnikov samok 4 vidov gorchakov: kolyuchikh (amurskiy kolyuchiy gorchak, khankayskiy kolyuchiy gorchak) i obyknovennykh (amurskiy obyknovennyy gorchak, amurskiy gorchak) i 2 vidov-peskarey-leney (peskar'-len', peskar'-gubach Cherskogo) iz basseyna reki Amur. Vyyavleno, chto u vsekh issleduemykh vidov ryb odnovremenno proiskhodit razvitie neskol'kikh generatsiy polovykh kletok, chto privodit k portsionnomu sozrevaniyu i vymyetyvaniyu ootsitov. Opredelena vidovaya spetsifichnost' samok amurskogo gorchaka, amurskogo obyknovennogo gorchaka, amurskogo kolyuchego gorchaka pri vybore mollyuskov dlya otkladyvaniya ikry.