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Induced sex inversion, maturation, spawning and embryogeny of the protogynous grouper, Mycteroperca microlepis
Roberts, Jr., D.E.; Schlieder, R.A. (1983). Induced sex inversion, maturation, spawning and embryogeny of the protogynous grouper, Mycteroperca microlepis, in: Avault, J.W. Proceedings of the annual meeting held at Washington, D.C., January 9-13, 1983. Journal of the World Mariculture Society, 14: pp. 639-649
In: Avault, J.W. (1983). Proceedings of the annual meeting held at Washington, D.C., January 9-13, 1983. Journal of the World Mariculture Society, 14. World Mariculture Society: Baton Rouge. 720 pp., more
In: Journal of the World Mariculture Society. Louisiana State University: Baton Rouge, Louisiana. ISSN 0735-0147, more
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Document type: Conference paper
Keywords
    Breeding > Induced breeding
    Cultures > Fish culture
    Mycteroperca microlepis (Goode & Bean, 1879) [WoRMS]
    Marine/Coastal
Authors  Top 
  • Roberts, Jr., D.E.
  • Schlieder, R.A.
Abstract
    Female gag (Mycteroperca microlepis) were collected from the Eastern Gulf of Mexico, maintained in closed systems and spawned. Sex inversion of this protogynous grouper was induced with oral application of methyltestosterone. Ovotestes of transitional males were described. Photoperiod, temperature, and hormome application were utilized to induce maturation and ovulation of females. Approximately 26,000 eggs were produced in 2 spawns. Fertilization rate was 50%. Larvae hatched after 45 hours at 21.0°C. Embryonic and early larval stages were described.
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