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On the taxonomy and distribution of Callinectes Stimpson (Crustacea, Decapoda, Portunidae) in Rio Grande do Norte

Abstract

A faunistic survey of the species of Callinectes Stimpson, 1871 carried out in the coastal and estuarine regions of the State of Rio Grande do Norte yielded five species: C. bocourti A. Milne Edwards, 1879; C. danae Smith, 1869; C. exasperatus (Gerstaecker, 1856); C. larvatus Ordway, 1863 and C. ornatus Ordway, 1863. Specimens examined consist of those collected on a monthly basis from three fixed stations within the estuary of Potengi, Natal during a period of two years and those obtained from other localities. Among the species occuring in the region, C. danae is more abundant and has a wider range of tolerance of salinity while C. larvatus is restricted to the marine habitat. Though C. danae sustains important artisan fishery, C. bocourti of large size also contribute to the fishery.

Taxonomy; distribution; Callinectes; Portunidae; Crustacea; Rio Grande do Norte


On the taxonomy and distribution of Callinectes Stimpson (Crustacea, Decapoda, Portunidae) in Rio Grande do Norte

C. SankarankuttyI,II; A.G. FreireI; L.C. SantiagoI

IDepartamento de Oceanografia e Limnologia, Universidade Federal do Rio Grande do Norte, 59014-100 Natal, Rio Grande do Norte, Brasil

IIBolsista do CNPq

ABSTRACT

A faunistic survey of the species of Callinectes Stimpson, 1871 carried out in the coastal and estuarine regions of the State of Rio Grande do Norte yielded five species: C. bocourti A. Milne Edwards, 1879; C. danae Smith, 1869; C. exasperatus (Gerstaecker, 1856); C. larvatus Ordway, 1863 and C. ornatus Ordway, 1863. Specimens examined consist of those collected on a monthly basis from three fixed stations within the estuary of Potengi, Natal during a period of two years and those obtained from other localities. Among the species occuring in the region, C. danae is more abundant and has a wider range of tolerance of salinity while C. larvatus is restricted to the marine habitat. Though C. danae sustains important artisan fishery, C. bocourti of large size also contribute to the fishery.

Key words: Taxonomy, distribution, Callinectes, Portunidae, Crustacea, Rio Grande do Norte

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ACKNOWLEDGEMENTS. The present work was supported by Fundação Banco do Brasil and the authors are grateful to the Foundation.

BIBLIOGRAPHIC REFERENCES

Recebido em 10.IX.1992; aceito em 10.I.1993.

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Publication Dates

  • Publication in this collection
    28 July 2009
  • Date of issue
    1991

History

  • Accepted
    10 Jan 1993
  • Received
    10 Sept 1992
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