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- Title
Determination of acute toxicity of ammonium in juvenile Patagonian blenny (Eleginops maclovinus).
- Authors
Mardones, A.; González, M.; Rivas-Mancilla, C.; Vega, R.; Augsburger, A.; Encina, F.; De los Ríos, P.
- Abstract
Deionized ammonium (NH3) acute toxicity (LC50-96h) in Patagonian blenny juveniles (Eleginops maclovinus) was assessed. Concentrations of deionized ammonium in salt water were prepared by using 24.09 ± 2.1 g ammonium chloride (NH4Cl). Fish were exposed in triplicates to different ammonium concentrations: 0.05; 0.094; 0.175; 0.325 and 0.605 mg NH3 L-1. Additionally, a control group was included. Experimental fish were kept at a photoperiod of 16:8h. Average temperatures were 16.24 ± 1.40 °C. Oxygen concentration was 7.16 ± 0.40 mg L-1. Water pH was 7.89 ± 0.2. LC50-96 h, was estimated by using Probit statistical method (95% intervals) using EPA software (1993). Juveniles of E. maclovinus showed a LC50-96h of 0.413mg NH3 L-1 value, different from most marine species. This study presents the first record of ammonium toxicity in marine species of Chile.
- Subjects
CHILE; FLOWERING of plants; AMMONIUM chloride; SALINE waters; AMMONIUM salts; AMMONIUM
- Publication
Brazilian Journal of Biology, 2019, Vol 79, Issue 4, p646
- ISSN
1519-6984
- Publication type
Article
- DOI
10.1590/1519-6984.186991