Combined effects of ammonia and microcystin on survival, growth, antioxidant responses, and lipid peroxidation of bighead carp Hypophthalmythys nobilis larvae

► Microcystin significantly decreased body length. ►Ammonia significantly increased body weight and condition factor. ► There was no significant interaction between ammonia and microcystin on growth. ► SOD, CAT, and MDA changed significantly with microcystin concentration. ► There were significant interactions between ammonia and microcystin on SOD and MDA.