Open AccessИССЛЕДОВАНИЕ РОСТА, РАЗВИТИЯ И РАЗМНОЖЕНИЕ ОБЫКНОВЕННОГО СОМА (SILURUS GLANIS L.) НА РЕКЕ УРАЛ
Author(s) -
Амангельды Рустенов,
v Магзомов,
Нурлыгул Жанболатовна Елеугалиева
Publication year - 2021
Publication title -
globus
Language(s) - English
Resource type - Journals
ISSN - 2658-5197
DOI - 10.52013/2658-5197-64-7-2
Subject(s) - catfish , biology , body weight , sexual maturity , zoology , fishery , anatomy , fish <actinopterygii> , ecology , endocrinology
The features of growth, development and maturation of common catfish in the reservoirs of the Urals are studied. It is established that in the periods 1+ to 3+ the body length of the common catfish increases 2.29 times, the live weight up to 8.42 times. The ratio of live weight and length to the intestine in catfish 2+ is 1:0.43, in six-year-olds 1: 31.14 times. Sexual maturation of catfish occurs at the age of 4+ years, they have counted 86761 pieces of eggs, in six-year-olds 423810 pieces. or 4.88 times more.