Reproductive biology of Penaeus kerathurus (Forskål, 1775) (Decapoda: Penaeidae) in the Sea of Marmara, Turkey

Mukadder Arslan Ihsanoglu, Ismail Burak Daban, Ali Işmen, Koray Cabbar, Cahide Çiğdem Yığin

Paper category: Original research paper
Corresponding author: Mukadder Arslan Ihsanoglu (
DOI: 10.2478/oandhs-2021-0004
Received: 26/08/2020
Accepted: 14/10/2020
Full text: here

Citation (APA style): Ihsanoglu, M., Daban, I., Işmen, A., Cabbar, K. & Yığin, C. (2021). Reproductive biology of Penaeus kerathurus (Forskål, 1775) (Decapoda: Penaeidae) in the Sea of Marmara, Turkey. Oceanological and Hydrobiological Studies, 50(1), 33-37.


One of the economically important species is Penaeus kerathurus (Forskål, 1755), which is widespread in the Mediterranean ecosystem. This paper presents results of research on reproductive biology of Penaeus kerathurus in the Sea of Marmara. A total of 1404 specimens were dissected to determine the maturity stages, reproduction time, and length at first reproduction. The female-to-male ratio was 1:0.9. A high percentage of mature females was determined in April, May and July. Moreover, the value of the gonadosomatic index (GSI) decreased after July. The spawning period was observed between April and July, and its intensity increased in July. The carapace length at first sexual maturity was determined to be 39 mm.


This work was financially supported by the Office of Scientific Research Coordination at Çanakkale Onsekiz Mart University (project number: FBA-2018-2473). The authors would like to thank H. Birol İMRE, Eylem İMRE and Sibel ATAK for their help in the fieldwork and laboratory works.


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