Environmental salinity is an important abiotic factor that directly affects the growth, metabolism, osmoregulatory processes, and physiological performance of fish. Herein, effects long-term stress on juvenile Pangasianodon hypophthalmus have been evaluated. Fish were allotted in five triplicate groups exposed to different salinities (0.0, 4.0, 8.0, 12.0, 16.0‰) for 56 days. After exposure, fin...