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Franciscana dolphin (Pontoporia blainvillei) on the north-east coast of Rio de Janeiro State, Brazil, recorded during a long term monitoring programme

Published online by Cambridge University Press:  23 March 2009

Jailson Fulgencio de Moura
Affiliation:
PPG em Saúde Pública e Meio Ambiente, Escola Nacional de Saúde Pública/FIOCRUZ Grupo de Estudos de Mamíferos Marinhos da Região dos Lagos, Projeto de Monitoramento de Mamíferos Marinhos na Bacia de Campos—CENPES/PETROBRAS & ENSP/FIOCRUZ—Escola Nacional de Saúde Pública—FIOCRUZ, Dept° de Endemias, Rua Leopoldo Bulhões, 1480–6° andar, Manguinhos, Rio de Janeiro, RJ 21410-210 Brazil
Éderson da Silva Rodrigues
Affiliation:
Grupo de Estudos de Mamíferos Marinhos da Região dos Lagos, Projeto de Monitoramento de Mamíferos Marinhos na Bacia de Campos—CENPES/PETROBRAS & ENSP/FIOCRUZ—Escola Nacional de Saúde Pública—FIOCRUZ, Dept° de Endemias, Rua Leopoldo Bulhões, 1480–6° andar, Manguinhos, Rio de Janeiro, RJ 21410-210 Brazil
Thais Guimarães Corrêa Sholl
Affiliation:
PPG em Saúde Pública e Meio Ambiente, Escola Nacional de Saúde Pública/FIOCRUZ Grupo de Estudos de Mamíferos Marinhos da Região dos Lagos, Projeto de Monitoramento de Mamíferos Marinhos na Bacia de Campos—CENPES/PETROBRAS & ENSP/FIOCRUZ—Escola Nacional de Saúde Pública—FIOCRUZ, Dept° de Endemias, Rua Leopoldo Bulhões, 1480–6° andar, Manguinhos, Rio de Janeiro, RJ 21410-210 Brazil
Salvatore Siciliano
Affiliation:
Grupo de Estudos de Mamíferos Marinhos da Região dos Lagos, Projeto de Monitoramento de Mamíferos Marinhos na Bacia de Campos—CENPES/PETROBRAS & ENSP/FIOCRUZ—Escola Nacional de Saúde Pública—FIOCRUZ, Dept° de Endemias, Rua Leopoldo Bulhões, 1480–6° andar, Manguinhos, Rio de Janeiro, RJ 21410-210 Brazil
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Abstract

In this note we present new records of Pontoporia blainvillei stranded along the north-eastern coast of the Rio de Janeiro State from 1999 to 2007. Three dolphins were found in the known distribution of the isolated population on the northern coast of Rio de Janeiro and showed evidence of entanglement in fishing nets. Surprisingly, one dolphin (GEMM 140) was found in Rio das Ostras, only 6.5 km south of the previously known limit of the species' distribution. However, the stranding data presented here support the hypothesis of the discontinuous distribution of this species.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2009

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References

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Franciscana dolphin (Pontoporia blainvillei) on the north-east coast of Rio de Janeiro State, Brazil, recorded during a long term monitoring programme
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