Acute toxicity of ammonia and nitrite to shortnose sturgeon fingerlings

The 96‐h median‐lethal concentration (96h LC50) of total ammonia nitrogen (ammonia‐N) to fingerling shortnose sturgeon Acipenser brevirostrum was 149.8 ± 55.20 mg/L (mean ± SD, 17.9 ± 0.62°C, pH = 6.8–7.3). Calculated 96‐h LC50 for un‐ionized ammonia‐N was 0.58 ± 0.213 mg/L. The 96‐h LC50 of nitrite nitrogen to shortnose sturgeon fingerlings was 11.3 ± 8.17 mg/L (17.9 ± 0.31°C,