Reproduction of Merluccius merluccius (Actinopterygii: Merlucciidae) from the northern Atlantic coasts of Morocco based on histological analysis of gonads

  1. El Bouzidi, Chaimae 1
  2. Segner, Helmut 2
  3. Oufdou, Halima 3
  4. Benziane, Meryem 4
  5. Chiaar, Abberrahim 5
  6. Bakkali, Mohammed 6
  7. Hassani Zerrouk, Mounir 6
  1. 1 Research team in Biotechnology and biomolecular engineering, FSTT, Abdelmalek Essaadi University - Centre for Fish and Wildlife Health, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern
  2. 2 Centre for Fish and Wildlife Health, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern
  3. 3 Applied Economics Laboratory, Mohammed V University, Rue Nations Unies
  4. 4 Laboratoire de pèche, Centre régional de l’INRH de Tanger
  5. 5 Laboratoire Histopathologie/Parasitologie, Centre Spécialisé en Pathologie des Animaux Aquatiques, Centre régional de l’INRH de Tanger
  6. 6 Research team in Biotechnology and biomolecular engineering, FSTT, Abdelmalek Essaadi University
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Zeitschrift:
Scientia Marina

ISSN: 0214-8358

Datum der Publikation: 2023

Ausgabe: 87

Nummer: 3

Art: Artikel

DOI: 10.3989/SCIMAR.05315.069 DIALNET GOOGLE SCHOLAR lock_openOpen Access editor

Andere Publikationen in: Scientia Marina

Ziele für nachhaltige Entwicklung

Zusammenfassung

The hake (Merluccius merluccius) fishery occupies an important place in the Moroccan trawl fishery. Despite the ecological and commercial value of this species, the reproductive biology of European hake populations in Moroccan coastal waters has been little studied. Here, we describe the seasonal variations of gonad histology of hake collected from August 2017 to August 2018 along the northern Atlantic coast of Morocco. The histological changes were compared with macroscopical changes, and the body length at first maturity (L50) was calculated. The results revealed differences between macroscopic and histological maturity staging of the gonads. The L50 was estimated to be 34.7 cm for females and 28.6 cm for males (histology-based) and 30.6 cm for females and 26.8 cm for males (macroscopy-based). In addition, the observations of ovarian maturity indicated the presence of a protracted spawning season throughout the year with a peak around January and in midsummer.

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Fuente de los datos: Dialnet