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Spawning dynamics of cape hakes, Merluccius capensis and M. paradoxus
(2000). Spawning dynamics of cape hakes, Merluccius capensis and M. paradoxus, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 113
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., more
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , more
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Keyword
    Marine/Coastal
Abstract
    Biological and environmental data from the hake surveys (1986-1997) were used to investigate the spatial distribution of spawning Cape hakes. Spawning fish were found on both the West and South coasts of South Africa, and were most prevalent at 50-250 m depth. At this depth the mean bottom-temperature and -oxygen concentration ranged from 9.10-9.86 degree C and 3.23-4.27 ml/L, respectively. Gonadosomatic indices varied seasonally, with spawning fish present in all seasons.
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