We report morphological abnormalities for the specimens of Macrobrachium amazonicum (Heller, 1862) collected from the Amazon province in the State of Pará, Brazil, using a local trap called “matapi” at the lower Tocantins River, from June 2004 to May 2005. After sampling, the specimens were sorted out, fixed in ethanol and deposited in the carcinological collection of the Crustaceans Laboratory at the Universidade Federal Rural da Amazônia (UFRA) and the Center for Research and Management of Fishery Resources of the North Coast (CEPNOR/ICMBio). Three individuals showed morphological anomalies in the rostrum and telson. This is the first record of such morphological abnormalities for this species, but further investigation is needed to establish the cause of these anomalies in the region.
Nós reportamos anormalidades morfológicas para espécimes de Macrobrachium amazonicum (Heller, 1862) coletados na província amazônica, no Estado do Pará, Brasil, usando uma armadilha local chamada “matapi”, no baixo rio Tocantins, de junho de 2004 a maio de 2005. Após a amostragem, os espécimes foram separados, fixados em etanol e depositados na coleção carcinológica do Laboratório de Crustáceos da Universidade Federal Rural da Amazônia (UFRA) e Centro de Pesquisa e Gestão de Recursos Pesqueiros do Litoral Norte (CEPNOR/ICMBio). Três indivíduos apresentaram anomalias morfológicas no rostro e no telson. Esse é o primeiro registro de anomalias morfológicas para essa espécie, entretanto, investigações posteriores são necessárias para estabelecer a causa dessas anomalias na região.
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| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 821 | 366 | 17 |
| Full Text Views | 13 | 2 | 0 |
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We report morphological abnormalities for the specimens of Macrobrachium amazonicum (Heller, 1862) collected from the Amazon province in the State of Pará, Brazil, using a local trap called “matapi” at the lower Tocantins River, from June 2004 to May 2005. After sampling, the specimens were sorted out, fixed in ethanol and deposited in the carcinological collection of the Crustaceans Laboratory at the Universidade Federal Rural da Amazônia (UFRA) and the Center for Research and Management of Fishery Resources of the North Coast (CEPNOR/ICMBio). Three individuals showed morphological anomalies in the rostrum and telson. This is the first record of such morphological abnormalities for this species, but further investigation is needed to establish the cause of these anomalies in the region.
Nós reportamos anormalidades morfológicas para espécimes de Macrobrachium amazonicum (Heller, 1862) coletados na província amazônica, no Estado do Pará, Brasil, usando uma armadilha local chamada “matapi”, no baixo rio Tocantins, de junho de 2004 a maio de 2005. Após a amostragem, os espécimes foram separados, fixados em etanol e depositados na coleção carcinológica do Laboratório de Crustáceos da Universidade Federal Rural da Amazônia (UFRA) e Centro de Pesquisa e Gestão de Recursos Pesqueiros do Litoral Norte (CEPNOR/ICMBio). Três indivíduos apresentaram anomalias morfológicas no rostro e no telson. Esse é o primeiro registro de anomalias morfológicas para essa espécie, entretanto, investigações posteriores são necessárias para estabelecer a causa dessas anomalias na região.
| All Time | Past 365 days | Past 30 Days | |
|---|---|---|---|
| Abstract Views | 821 | 366 | 17 |
| Full Text Views | 13 | 2 | 0 |
| PDF Views & Downloads | 27 | 1 | 0 |