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  1. No Access

    Article

    Bioenergetics of fishes in a high-energy surf-zone

    Energy budgets are proposed for four teleost and two elasmobranch species as well as for the main icthyofauna groups for a surf-zone ecosystem. The ecology of surf-zone fishes of eastern Cape beaches, Algoa Ba...

    H. H. Du Preez, A. McLachlan, J. F. K. Marais, A. C. Cockcroft in Marine Biology (1990)

  2. No Access

    Article

    Nitrogen and energy loss via nonfaecal and faecal excretion in the marine teleost Lithognathus lithognathus

    Nitrogen excretion and assimilation efficiencies of individual Lithognathus lithognathus (Cuvier 1830), a marine teleost from high energy surf zones in Algoa Bay, South Africa, were determined under laboratory co...

    A. C. Cockcroft, H. H. Du Preez in Marine Biology (1989)

  3. No Access

    Chapter and Conference Paper

    Consumption, Assimilation and Energy Balance in the Three-Spot Swimming Crab, Ovalipes Punctatus (de Haan) (Crustacea; Brachyura)

    The swimming crab Ovalipes punctatus (de Haan) is commonly found on the sandy beaches of the south and east coasts of South Africa. These crabs prey extensively on the bivalve and gastropod populations which occu...

    H. H. Du Preez in Sandy Beaches as Ecosystems (1983)