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Hydrobiologia

, Volume 353, Issue 1–3, pp 153–160 | Cite as

The reproductive biology of Lutjanus fulviflamma (Forsskål,1775) (Pisces: Lutjanidae) in Kenyan inshore marine waters

  • B. Kaunda-Arara
  • M.J. Ntiba
Article

Abstract

The testicular and ovarian maturation cycle of thedory snapper, Lutjanus fulviflamma(Forsskål) (Osteichthyes:Lutjanidae), acommercially valuable species in the western IndianOcean, is described macroscopically. The ovary wasalso studied microscopically. L. fulviflammahas one prolonged spawning season which begins fromNovember/December, lasting till April/May. Discontinuous spawning is established by (i) temporalvariation in the relative weight of testis andovaries, (ii) a seasonal occurrence of various maturitystages and, (iii) a seasonal occurrence of developingfish in the samples. Using volumetric andhistological techniques, the fecundity of this specieswas determined at 51,000 to 460,000 (mean: 167,000)oocytes in fish of between 17 to 30 cm total length,respectively. Oocyte recrudescence in the ovary isasyncronous, but the number and size of batches ofeggs released in a single spawning season are yet tobe determined.

maturation cycle spawning season fecundity oocyte recrudescence 

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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • B. Kaunda-Arara
    • 1
  • M.J. Ntiba
    • 2
  1. 1.Department of FisheriesMoi UniversityEldoretKenya
  2. 2.Department of ZoologyUniversity of NairobiNairobiKenya

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