NDLI: Copper sensitivity of wild ornamental fish of the Amazon.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Duarte, Rafael Mendonça Menezes, Ana Cristina Leite da Silveira Rodrigues, Leonardo de Almeida-Val, Vera Maria Fonseca Val, Adalberto Luis
Spatial Coverage	Brazil
Description	Country affiliation: Brazil Author Affiliation: Duarte RM ( Laboratory of Ecophysiology and Molecular Evolution, Brazilian National Institute for Amazon Research (INPA), Ave Andre Araujo 2936, 69060-001 Manaus, AM, Brazil.)
Abstract	The copper sensitivity of 10 wild ornamental fish from Rio Negro, an ion-poor river in the Amazon, was analyzed in the absence of dissolved organic carbon (DOC). No mortality was observed at concentrations up to 700mug Cul(-1) for two species exposed to CuCl(2).2H(2)O dissolved in standard EPA-USA water. Copper sensitivity of fish was also tested in INPA groundwater, which is similar to that of the Rio Negro, but lacking typical DOC of Rio Negro water. In these experiments, all four characid fish species were more sensitive to copper than the catfish and the cichlids. LC(50) values ranged from 12.8mug Cul(-1) for the characid Hemigrammus rhodostomus to 74.1mug Cul(-1) for the callichtyid Dianema urostriatum. Copper sensitivity of Hyphessobrycon socolofi was 52-fold lower in EPA (1405.5mug Cul(-1)) than in INPA water (26.8mugCul(-1)). The differences in values of LC(50) may be related to species-specific physiological abilities to ion-regulate under the original conditions of the habitat of the analyzed species.
File Format	HTM / HTML
ISSN	01476513
Issue Number	3
Volume Number	72
e-ISSN	10902414
Journal	Ecotoxicology and Environmental Safety
Language	English
Publisher	Elsevier
Publisher Date	2009-03-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Sciences Copper Toxicity Fish Diseases Chemically Induced Perciformes Water Pollutants, Chemical Animals Brazil Analysis Rivers Chemistry Sensitivity And Specificity Species Specificity Toxicity Tests Comparative Study Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health

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