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Chronologie de la reproduction et cycle de développement des gonades chez Barbus callensis Valenciennes 1842, (Pisces, Cyprinidae) de Tunisie
Kraiem, M.M. (1997). Chronologie de la reproduction et cycle de développement des gonades chez Barbus callensis Valenciennes 1842, (Pisces, Cyprinidae) de Tunisie. Bull. Inst. Natl. Sci. Technol. Mer 24(1): 74-88
In: Bulletin de l'Institut National des Sciences et Technologies de la Mer. INSTM: Tunis. ISSN 0330-0080, more
Peer reviewed article  

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  • Kraiem, M.M.

Abstract
    According to the variations of the gonado-somatic index (IGS), the reproduction period of Barbus callensis extends from mid-May to early July. The ovaries contained three batches of asynchronous oocytes, resulting in a single and intermittent oviposition prolonged under climatic influence. Finally, B. callensis may be ranked among lithophillous spawners, according to the pebble and gravel substrate over which it spawns in flowing water.

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