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Acute toxicity of copper and cadmium for piauçu, Leporinus macrocephalus, and curimatã, Prochilodus vimboides

2009; Editora da Universidade Estadual de Maringá (Eduem); Volume: 31; Issue: 3 Linguagem: Inglês

10.4025/actascibiolsci.v31i3.5069

1807-863X

Levy Carvalho Gomes, Adriana Regina Chippari-Gomes, Rodrigo Nunes Oss, Luis Fernando Loureiro Fernandes, Rafael de Almeida Magris,

Environmental Toxicology and Ecotoxicology

Ninety-six-hour static bioassays were conducted in the laboratory to determine lethal concentrations (96-h LC50) of copper and cadmium for curimatã (Prochilodus vimboides) and piauçu (Leporinus macrocephalus). The 96-h LC50 of copper were 0.047 and 0.090 mg L-1, and of cadmium 3.16 and 7.42 mg L-1 for curimatã and piauçu, respectively. Curimatã is a preferred indigenous species for toxicological studies in the Doce River basin due to its availability in the hatcheries of the region and high sensitivity to metals.