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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.13 no.1 Curitiba  1996

https://doi.org/10.1590/S0101-81751996000100004 

Alteraçoes morfológicas dos estádios de crescimento de Amphilocus neapolitanus Della Valle (Gammaridea, Amphilochidae) e Ampithoe ramondi Audouin (Gammaridea, Ampithoidae), anfípodes associados à alga Sargassum cymosum

 

Morphological variations of the stage growth of the amphipods Amphilocus neapolitanus Della Valle (Gammaridea, Amphilochidae) and Ampithoe ramondi Audouin (Gammaridea, Amphithoidae) from the algae Sargassum cymosum

 

 

Fosca P.P. Leite

Departamento de Zoologia, Instituto de Biologia, Universidade Estadual de Campinas. Caixa Postal 6109, 13083-970 Campinas, São Paulo, Brasil

 

 


ABSTRACT

A descriptive account is given of the post-embrionic development of Amphilochus neapolitanus Della Valle, 1893 and Ampilhoe ramondi Audouin, 1826 living on Sargassum cymosum C. Agardh, 1820 of Ubatuba, Brazil (23º30'S-45º06'W) through the growth stage based on the morphological changes at each moult. The growth stages are described on the increase of antennal and pleopodal articles number and morphological alterations of gnathopods. The number of stages was found to be different for males and females and the maturity occurs after 6 and 5 post marsupial stages for A. neapolitanus and A. ramondi respectively.

Key words: Amphipods gammarids, growth stages, morphological variations


 

 

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

 

 

AGRADECIMENTOS. À Dra. Yoko Wakabara pela orientação e à Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) pela bolsa concedida durante o desenvolvimento deste trabalho (Proc. no 75/1023).

 

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Recebido em 16.VIII.1994; aceito em 13.V.1996.

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