Gonad Histology of the Persian Tooth-carp Aphanius persicus (Jenkins, 1910) (Cyprinodontidae) in Southern Iran
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The histological changes of gonads were studied in Aphanius persicus from the Barm-e-Shoor spring (south of Iran). The gonads were extracted and prepared histologically. The maturity stage of each specimen was examined according to size and weight of gonad, degree of occupation in the body cavity, the type and number of germinal cells (in testis) and follicles (in ovary). We have described 5 sexual stages for females and 4 for males. The total length and body and gonad weight of each specimen increased with increasing maturity stages. In females, the appearance of ripe oocytes was in stage IV and V from November to May. Male's maturity was seen in stage III and IV from October to April. Therefore, the spawning period of female A. persicus is from May to November and for males it is from April to October. A. persicus has a long period of spawning, so it is a batch spawner.
Turkish Journal of Zoology
Gonad Histology of the Persian Tooth-carp Aphanius persicus (Jenkins, 1910) (Cyprinodontidae) in Southern Iran, Monsefi et al, Turkish Journal of Zoology, 33 (2009) 27-33. Copyright 2009 TÜBİTA. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Fish Physiology and Genetics