Spermatogenesis in little tunny Euthynnus alletteratus (Rafinesque, 1810) fished on continental shelf of Côte d’Ivoire


  • Laurent Bahou Centre de Recherches Océanologiques, 29, Rue des Pêcheurs, Treichville - BP V 18 Abidjan, Fax: (225) 21 35 11 55, Côte d’Ivoire
  • Marie- Anne d’Almeida Laboratoire de Biologie Cellulaire, UFR Biosciences, Université Félix HOUPHOUËT-BOIGNY Abidjan, 22 BP 582 Abidjan, Côte d’Ivoire
  • Tidiani Koné UFR Environnement, Université Jean LOROUGNON GUÉDÉ, BP 150 Daloa, Côte d’Ivoire
  • Célestin Atsé-Boua Centre de Recherches Océanologiques, 29, Rue des Pêcheurs, Treichville - BP V 18 Abidjan, Fax: (225) 21 35 11 55, Côte d’Ivoire


Branching system of tubules, Lobules, Macroscopic observation, Maturity stages, Reproductive biology


Testes of 406 males little tunny (Euthynnus alletteratus), collected over a year period from an artisanal commercial fishery, were used to morphologically and histologically assess patterns of the reproductive biology in this small tuna. Most of the specimens examined ranged in size from 35 to 82 cm FL (centimetre fork length). Observation of slides under a light microscope revealed that males investigated have lobular testicular structure. These lobules arrange in a branching system of tubules. Tubules join side by side to one another and yet inter-tubular-spaces separate them. Gametes’ developmental stages occur within such a structure. Histological characteristics were consistent with the description of the six-maturity stages of males little tunny determined on the basis of the macroscopic observation.


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How to Cite

Bahou, L. ., Anne d’Almeida, M.-., Koné, T. ., & Atsé-Boua, C. . (2017). Spermatogenesis in little tunny Euthynnus alletteratus (Rafinesque, 1810) fished on continental shelf of Côte d’Ivoire. Scientific Journal of Biological Sciences, 6(3), 206-213. Retrieved from https://www.sjournals.com/index.php/sjbs/article/view/360



Original Article