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Postura, desenvolvimento e eclosão dos ovos de Dolops carvalhoi Lemos de Castro (Crustacea, Branchiura) em laboratório, parasita de peixes da Amazônia Central

Laying, development and hatching of eggs of the Dolops carvalhoi Lemos de Castro (Crustacea, Branchiura), reared in the laboratory, parasite from fishes of Central Amazon

Ana Lúcia Silva Gomes José Celso de Oliveira Malta Sobre os autores

Resumo

Dolops carvalhoi Lemos de Castro, 1949 was found infesting fish in a fish culture station located in highway AM-010 Manaus-ltacoatiara in the State of Amazonas. Egg laying of D. carvalhoi was studied. Hatching started after 16 days in a temperature span of 26 to 28ºC. Eggs were laid in clusters on hard substrata and covered by a gelatinous material. The number of eggs was 16 to 392 eggs by laying. In the postembryonic development the larvae were hatched from the egg as juveniles (epimorphic development), very similar to the adult shape.

Argulidae; Dolops carvalhoi; laying; eggs; fish parasites; Amazon


Argulidae; Dolops carvalhoi; laying; eggs; fish parasites; Amazon

Postura, desenvolvimento e eclosão dos ovos de Dolops carvalhoi Lemos de Castro (Crustacea, Branchiura) em laboratório, parasita de peixes da Amazônia Central

Laying, development and hatching of eggs of the Dolops carvalhoi Lemos de Castro (Crustacea, Branchiura), reared in the laboratory, parasite from fishes of Central Amazon

Ana Lúcia Silva Gomes; José Celso de Oliveira Malta

Laboratório de Parasitologia e Patologia de Peixes, Coordenação de Pesquisas em Biologia Aquática, Instituto Nacional de Pesquisas da Amazônia. Caixa Postal 478, 69011-970 Manaus, Amazonas, Brasil. E-mail: analu@interlins.com.br; jcmalta@inpa.gov.br

ABSTRACT

Dolops carvalhoi Lemos de Castro, 1949 was found infesting fish in a fish culture station located in highway AM-010 Manaus-ltacoatiara in the State of Amazonas. Egg laying of D. carvalhoi was studied. Hatching started after 16 days in a temperature span of 26 to 28ºC. Eggs were laid in clusters on hard substrata and covered by a gelatinous material. The number of eggs was 16 to 392 eggs by laying. In the postembryonic development the larvae were hatched from the egg as juveniles (epimorphic development), very similar to the adult shape.

Key words: Argulidae, Dolops carvalhoi, laying, eggs, fish parasites, Amazon

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

Recebido em 11.III.2002; aceito em 21.XI.2002.

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Datas de Publicação

  • Publicação nesta coleção
    03 Jun 2009
  • Data do Fascículo
    Dez 2002

Histórico

  • Aceito
    21 Nov 2002
  • Recebido
    11 Mar 2002
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