Trophic shifts in predatory catfishes following the introduction of Nile perch into Lake Victoria

African Journal of Ecology

Volumn 37, Issue 4, 1999, Pages 457-470

  Olowo, J P ^a,b   Chapman, L J ^b,c  

^a Fisheries Research Institute   (Uganda)

^b University of Florida ^*  (United States)

^c WILDLIFE CONSERVATION SOCIETY   (United States)

Author keywords

Bagridae; Dietary shifts; Lates; Schilbeidae; Uganda

Indexed keywords

DIET; LAKE; PREDATION; RASTRINEOBOLA ARGENTEA; TROPHIC LEVEL;

DIETARY SHIFT; ICHTHYOFAUNA; INTRODUCED SPECIES; LAKE ECOSYSTEM; TROPHIC STRUCTURE;

AFRICA;

BAGRUS DOCMAC; LATES NILOTICUS; RASTRINEOBOLA ARGENTEA; SCHILBE INTERMEDIUS;

EID: 0033399016     PISSN: 01416707     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2028.1999.00203.x     Document Type: Article

References (30)

1. ACERE, T.O. (1988) Recent trends in the fisheries of Lake Victoria (Uganda Northern part), in Report of the 4th session of the Sub-committee for the Development and Management of the Fisheries of Lake Victoria, Kisumu, Kenya, 6-10 April 1987. FAO Fish. Report 388, 36-45.
2. ACHIENG, A.P. (1990) The impact of the introduction of Nile perch, Lates niloticus (L) on the fisheries of Lake Victoria. J. Fish Biol. 37 (Suppl. A), 17-23.
3. BEADLE, L.C. (1962) The evolution of species in lakes of East Africa. Uganda J. 26, 44-54.
4. BEROSTRAND, E. & CORDONE, A.J. (1970) Exploratory bottom trawling in Lake Victoria. E. Afr. Freshwat. Fish. Res. Org. 1969, 42-52.
5. BEVERTON, R.J.H. (1959) Report on the State of the Lake Victoria Fisheries. Fisheries Laboratory, Lowestoft (mimeo).
6. CAMBRIDGE NABUGABO BIOLOGICAL SURVEY (CNBS). (1962) Preliminary Report. Makerere University, Kampala (mimeo).
7. CHAPMAN, L.J., CHAPMAN, C.A. & CHANDLER, M. (1996b) Wetland ecotones as refugia for endangered fishes. Biol. Cons. 78, 263 270.
8. CHAPMAN, L.J., CHAPMAN, C.A., OGUTU-OHWAYO, R., CHANDLER, M., KAUFMAN, L. & KEITER, A. (1996a) Refugia for endangered fish fauna of Lake Nabugabo, Uganda. Cons. Biol. 10, 554-561.
9. CHILVERS, R.M. & GEE, J.M. (1974) The food of Bagrus docmac Forsk. (Pisces: Siruliformes) and its relationship with Haplochromis Hilgendorf (Pisces: Cichlidae). J. Fish Biol. 6, 483-505.
10. CORBET, P.S. (1961) The food of non-cichlid fishes in the Lake Victoria basin, with remarks on their evolution and adaptation to lacustrine conditions. Proc. Zool. Soc. Lond. 136, 1-101.
11. FISH, G.R. (1956) Some aspects of the respiration of six species of fish from Uganda. J. Exp. Biol. 33, 186-195.
12. FRYER, G. (1960) Concerning the proposed introduction of Nile perch into Lake Victoria. East Afr. Agr. J. 25, 267-270.
13. GOUDSWAARD, K. (P.C.) & WITTE, F. (1997) The catfish fauna of Lake Victoria after the Nile perch upsurge. Env. Biol. Fish. 49, 21-43.
14. GRAHAM, M. (1929) The Victoria Nyanza and its Fisheries. A Report on the Fishing Survey of Lake Victoria 1927-28. Crown Agents for the Colonies, London.
15. GREENWOOD, P.H. (1965) The cichlid fishes of Lake Nabugabo, Uganda. Bull. Brit. Mus. (Nat. Hist.), Zool. 12, 315-355.
16. GREENWOOD, P.H. (1966) The Fishes of Uganda. The Uganda Society, Kampala.
17. HYNES, H.B.N. (1950) The food of freshwater sticklebacks (G. aculeatus and P. pungitius) with a review of methods used in studies of the food of fishes. J. Anim. Ecol. 19, 36-58.
18. HYSLOP, E.J. (1980) Stomach content analysis: a review of methods and their application J. Fish. Biol. 17, 411-429.
19. KAUFMAN, L. (1992) Catastrophic change in species-rich freshwater ecosystems: the lessons of Lake Victoria. Bioscience 42, 846-858.
20. KAUFMAN, L., CHAPMAN, L.J. & CHAPMAN, C.A. (1997) Evolution in fast forward: haplochromine fishes of the Lake Victoria Region. Endeavour 21, 23-30.
21. KUDHONGANIA, A.W. & CORDONE, A.J. (1974) Batho-spatial distribution patterns and biomass estimates of the major demersal fishes in Lake Victoria. Afr. J. Trop. Hydrobiol. Fish. 3, 15-31.
22. OCHUMBA, P.B.O. & MANYALA, J.O. (1992) Distribution of fishes along the Sondu-Miriu River of Lake Victoria, Kenya, with special reference to upstream migration, biology and yield Aquacult. Fish. Manage. 23, 701-719.
23. OGUTU-OHWAYO, R. (1990a) The decline of the native fishes of Lakes Victoria and Kyoga (East Africa) and the impact of introduced species, especially the Nile perch, Lates niloticus and the Nile tilapia, Oreochromis niloticus. Env. Biol. Fish. 27, 81-96.
24. OGUTU-OHWAYO, R. (1990b) Changes in the prey ingested and the variations in the Nile perch and other fish stocks in Lake Kyoga and the northern waters of Lake Victoria (Uganda) J. Fish Biol. 37 (Suppl. A), 207-208.
25. OGUTU-OHWAYO, R. (1993) The effects of predation by Nile perch, Lates niloticus L., on the fish of Lake Nabugabo, with suggestions for conservation of endangered endemic cichlids. Cons. Biol. 7, 701-711.
26. OGUTU-OHWAYO, R. & HECKY, R. (1991) Fish introductions in Africa and some of their implications. Can. J. Fish. Aquat. Sci. 48 (Suppl. 1), 8-12.
27. SCHOFIELD, P.J. (1997) Feeding Ecology of the Introduced Nile perch (Lates niloticus) in Lake Nabugabo, Uganda: Implications for Conservation of the Indigenous Fauna. MSc Thesis, University of Florida, U.S.A.
28. SOKAL, R.R. & ROHLF, F.J. (1981) Biometry. 2nd edn. W. H. Freeman, San Francisco, California.
29. WELCOMME, R.L. (1984) International transfers of inland fish species. In: Distribution, Biology and Management of Exotic Fish (Ed. W. R. COURTENAY, JR and J. R. STAUFFER, JR) John Hopkins Press, Baltimore, MD.
30. WITTE, F., GOLDSCHMIDT, T., WANINK, J., VAN OIJEN, M, GOUDSWAARD, K., WITTE-MAAS, E. & BOUTON, N. (1992) The destruction of an endemic species flock: quantitative data on the decline of the haplochromine cichlids of Lake Victoria. Env. Biol. of Fish. 34, 1-28.