Data/hora: 12/06/2024 02:57:53

Provedor de dados: 	83	
País: 	Brazil	
Título: 	Mercury concentration in the freshwater bonefish Cyphocharax gilbert (Curimatidae) and its parasite the crustacean Riggia paranensis (Cymothoidae)	
Autores: 	Lins,Débora C.; Meirelles,Maria E.; Malm,Olaf; Lima,Neuza R. W.	
Data: 	2008-01-01	
Ano: 	2008	
Palavras-chave: 	Heavy metal; Bioaccumulation; Parasitic castration; Reproduction.	
Resumo: 	Fish parasites can accumulate heavy metals reaching higher concentrations than the host and may affect the host's bioaccumulation. The present study compared total mercury concentration in the liver and muscle of Cyphocharax gilbert and in the parasite Riggia paranensis sampled in the middle Itabapoana River, Brazil, also considering the reproductive stages of both fish and parasite. Mean concentrations of mercury in muscle of fish varied from 20.8 ng.g-1 in mature females to 38.1 ng.g-1 in post-spawning females. The mean concentrations in fish liver varied from 60.9 ng/g in post-spawning females to 110.4 ng.g-1 in infested males. The mean concentration of mercury in parasites varied from 26.2 ng.g-1 in specimens carrying early embryo to 39.5 ng.g-1 in specimens with eggs. Positive and significant associations (P&lt;0.05) were found between the total mercury concentrations in parasites and muscle of host (both females and males), and between concentrations in parasites and in the liver of male hosts. These results suggest that R. paranensis can be used to indicate mercury levels in edible parts of C. gilbert.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252008000200017	
Editor: 	Sociedade Brasileira de Ictiologia	
Relação: 	10.1590/S1679-62252008000200017	
Formato: 	text/html	
Fonte: 	Neotropical Ichthyology  v.6 n.2 2008	
Fonte: 	info:eu-repo/semantics/openAccess