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The growth of Cymatoceps nasutus(Teleostei:Sparidae), with comments on diet and reproduction


Buxton, CD and Clarke, JR, The growth of Cymatoceps nasutus(Teleostei:Sparidae), with comments on diet and reproduction, South African Journal of Marine Science, 8 pp. 57 - 65. ISSN 0257-7615 (1989) [Refereed Article]

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Copyright 1989 National Inquiry Services Centre (NISC)

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DOI: doi:10.2989/02577618909504551


Aspects of the growth, diet and reproductive biology of the sparid Cymatoceps nasulus were examined. Although they are caught in relatively low numbers, these endemic fish are important to the South African recrationa1 boat and shore fisheries because of their size and fighting ability. C. nasutus is a benthic carnivore, feedmg on a wide variety of prey, particularly molluscs, crustaceans and echinoderms. Preliminary observations suggest that they are protogynous hermaphrodites, females changing sex at approximately 700 mm fork length. Growth studies based on age determination from otoliths showed that they grow slowly and are long-lived, the oldest aged fish being 45,5 years. These facts suggest that they are susceptible to over-exploitation, and more stringent conservation measures are recommended to ensure survival of the species as a recreational resource.

Item Details

Item Type:Refereed Article
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Fisheries sciences
Research Field:Fisheries sciences not elsewhere classified
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the environmental sciences
UTAS Author:Buxton, CD (Professor Colin Buxton)
ID Code:49226
Year Published:1989
Web of Science® Times Cited:52
Deposited By:TAFI - Marine Research Laboratory
Deposited On:2007-08-01
Last Modified:2010-01-19
Downloads:7 View Download Statistics

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