Chwastowska-Siwiecka, I. 2023. ASSESSMENT THE EFFECT OF SEX ON SELECTED MORPHOMETRIC MEASUREMENTS AND SLAUGHTER YIELDS OF AFRICAN CATFISH (CLARIAS GARIEPINUS BURCHELL, 1822): African catfish. Polish Journal of Natural Sciences. 38, 4 (Dec. 2023). DOI:https://doi.org/10.31648/pjns.8072.