DIET AND FOOD SELECTION OF BARBUS-AENEUS, CLARIAS-GARIEPINUS AND ONCORHYNCHUS-MYKISS IN A CLEAR MAN-MADE LAKE, SOUTH-AFRICA

Authors
DORGELOH WG
Citation
Wg. Dorgeloh, DIET AND FOOD SELECTION OF BARBUS-AENEUS, CLARIAS-GARIEPINUS AND ONCORHYNCHUS-MYKISS IN A CLEAR MAN-MADE LAKE, SOUTH-AFRICA, Water S.A., 20(1), 1994, pp. 91-98
Citations number
19
Categorie Soggetti
Water Resources
Journal title
Water S.A. → ACNP
ISSN journal
03784738
Volume
20
Issue
1
Year of publication
1994
Pages
91 - 98
Database
ISI
SICI code
0378-4738(1994)20:1<91:DAFSOB>2.0.ZU;2-0
Abstract
The diet and food selection of Barbus aeneus (Burchell, 1822), Clarias gariepinus (Burchell, 1822) and Oncorhynchus mykiss (Walbaum, 1792) w ere investigated in Sterkfontein Dam. Prey organisms were sampled from the stomachs of fish over a one-year period and in the environment ov er a two-year period. Stomach analyses and the Strauss index of food s election revealed a herbivorous/benthivorous diet for B. aeneus, a ben thivorous diet for C gariepinus and a planktivorous diet for O. mykiss .