The urogenital papillae as an indicator of sexual maturity in male African catfish, Clarias gariepinus, (Burchell, 1822)

The present study investigated a non‐invasive method based on macroscopic morphological features of male Clarias gariepinus for the assessment of sexual maturity stage. As African catfish cannot be stripped for semen as in most other fish species; they have to be killed to obtain semen from the test...

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Veröffentlicht in:	Aquaculture research 2019-12, Vol.50 (12), p.3519-3527
Hauptverfasser:	Das Neves, Jamie‐Lee, Coetzee, Helene, Barnhoorn, Irene, Wagenaar, Ina
Format:	Artikel
Sprache:	eng
Schlagworte:	aquaculture Biological fertilization Body length Catfish Clarias gariepinus Fertilization Fish Freshwater fishes Length Males Maturity Morphology Ova Papillae reproduction Secondary sexual characters Semen Sexual maturity sexually maturity Sperm sperm quality Spermatozoa Testes urogenital papillae Width
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