Current state of juvenile roach (Rutilus rutilus caspicus) Damys Salauat, Saule Shalgimbayeva, Zhanar Omarova, Gaukhar Jumakhanova and Gulmaral Zhanysbay BIO Web Conf., 100 (2024) 04019 Published online: 08 April 2024 DOI: 10.1051/bioconf/202410004019