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Desenvolvimento larval de Dardanus insignis (Saussure) (Crustacea, Decapoda, Diogenidae), em laboratório

Larval development of Dardanus insignis (Saussure) (Crustacea, Decapoda, Diogenidae) reared in laboratory

Resumo

The developmental stages of Dardanus insignis (Saussure, 1858) from first through eighth zoea and megalopa are described and illuslraled. The experiments were carried out involving 100 larvae, obtained from ovigerous females collected on the north littoral of the state of São Paulo, Brazil. The larvae were kept in individual containers, with water of 34‰ salinity and fed with freshly hatched nauplii of Artemia; room temperature was maintained at 25±1ºC. The larval characters of this species are compared with Dardanus arrosor (Herbst, 1796). the only species of the genus that has also heen reared in laboratory.

Crustacea; Diogenidae; Dardanus insignis; larval development; hermit crab


Crustacea; Diogenidae; Dardanus insignis; larval development; hermit crab

Desenvolvimento larval de Dardanus insignis (Saussure) (Crustacea, Decapoda, Diogenidae), em laboratório

Larval development of Dardanus insignis (Saussure) (Crustacea, Decapoda, Diogenidae) reared in laboratory

Nilton José HeblingI; Cynthia de Barras MansurI,II

IDepartamento de Zoologia. Instituto de Biociências, Universidade Estadual Paulista. Campus de Rio Claro. Caixa Postal 199, 13506-900 Rio Claro. Brasil

IIBolsista de Iniciação Científica da FAPESP

ABSTRACT

The developmental stages of Dardanus insignis (Saussure, 1858) from first through eighth zoea and megalopa are described and illuslraled. The experiments were carried out involving 100 larvae, obtained from ovigerous females collected on the north littoral of the state of São Paulo, Brazil. The larvae were kept in individual containers, with water of 34‰ salinity and fed with freshly hatched nauplii of Artemia; room temperature was maintained at 25±1ºC. The larval characters of this species are compared with Dardanus arrosor (Herbst, 1796). the only species of the genus that has also heen reared in laboratory.

Key words: Crustacea, Diogenidae, Dardanus insignis, larval development, hermit crab

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AGRADECIMENTOS. Ao Sr. Jaime Roberto Somera, desenhista do Departamento de Zoologia da Universidade Estadual Paulista, pela arte final nas figuras.

Recebido em 27.II.1995; aceito em 13.IX.1995.

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Datas de Publicação

  • Publicação nesta coleção
    21 Jul 2009
  • Data do Fascículo
    Set 1995

Histórico

  • Aceito
    13 Set 1995
  • Recebido
    27 Fev 1995
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