Data/hora: 06/06/2024 02:11:38

Provedor de dados: 	2	
País: 	Brazil	
Título: 	Effect of simulated acid rain on the survival, mortality, behaviour and morphology of African mud catfish Clarias gariepinus (Burchell, 1822)	
Autores: 	Mustapha, Moshood; Mohammed, Zainab Olayide.	
Data: 	2017-12-27	
Ano: 	2017	
Palavras-chave: 	Fingerlings; Juveniles; Adults; PH; Stress; Sulphur oxides.	
Resumo: 	This study simulated acidic habitat for different life stages of Clarias gariepinus to know the effect on survival, mortality, morphology and behaviour. The fish were exposed to pHs 3, 4, 5, 6 and 8.01 (control) for 35 days. 100% mortality was recorded for all the life stages in pH 3, and 80, 62 and 36% of mortality of fingerlings, juveniles and adults respectively were recorded in pH 4. In pH 5, 30, 26 and 12% mortalities of fingerlings, juveniles and adults respectively were recorded and at pH 6 mortalities of fingerlings, juveniles and adults were 12, 10 and 4% respectively. Control pH mortalities were 10, 6 and 2% for fingerlings, juveniles and adults respectively. Mortality was due to lack of oxygen uptake, stress and circulatory collapse. All these elicited the behavioural responses and morphological abnormalities like erratic swimming, gasping, dark body colouration and lethargy. The study showed that different life stages of C. gariepinus tolerate different acidic pH waters, with high mortalities of the fingerlings, juveniles and adults in pHs 3, pH 4 is sub-lethal to fingerlings, juveniles and adult, pH 5 sub-lethal to fingerlings and sub-optimal for juveniles, and pH 6 optimal for all life stages.   	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/36900

10.4025/actascianimsci.v40i0.36900	
Editor: 	Editora da Universidade Estadual de Maringá	
Relação: 	http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/36900/pdf

http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/downloadSuppFile/36900/14924	
Formato: 	application/pdf	
Fonte: 	Acta Scientiarum. Animal Sciences; v. 40 (2018): Publicação Contínua; e36900

Acta Scientiarum. Animal Sciences; v. 40 (2018): Publicação Contínua; e36900

1807-8672

1806-2636	
Fonte: 	Direitos autorais 2017 Acta Scientiarum. Animal Sciences