Morphological study of the spermatogenesis in the teleost Piaractus mesopotamicus

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Morphological study of the spermatogenesis in the teleost Piaractus mesopotamicus.

The spermatogenesis of Piaractus mesopotamicus was investigated under light and transmission electron microscopy. The specimens were captured from their natural environment (Rio Miranda and Rio Aquidauana, Pantanal Matogrossense, Brazil) during April and September. The results were compared with the spermatogenic data of specimens under captivity condition. In both conditions, P. mesopotamicus ...

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The pacu Piaractus mesopotamicus (Holmberg, 1887), is a commercially important serrasalmid fish endemic to the Paraná-Paraguay River basin, and one of the most widely cultivated native fish species in the Neotropics. As a migratory species, also inhabiting temporary pools subjected to hypoxic conditions, the species presents a high plasticity concerning respiratory adaptations. In order to supp...

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ژورنال

عنوان ژورنال: BIOCELL

سال: 2003

ISSN: 1667-5746

DOI: 10.32604/biocell.2003.27.319