Observations on the biology of Clarias agboyiensis Syndenham, 1980 (Osteichthyes: Clariidae) in the Anambra floodriver system, Nigeria

Fisheries Research

Volumn 36, Issue 1, 1998, Pages 47-60

  Ezenwaji, H M G ^a   Inyang, N M ^a  

^a UNIVERSITY OF NIGERIA   (Nigeria)

Author keywords

Biology; Clarias agboyiensis; Management; Nigeria

Indexed keywords

CLARIAS AGBOYIENSIS;

EID: 0032102639     PISSN: 01657836     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0165-7836(98)00078-2     Document Type: Article

References (28)

1. Awachie J.B.E. Fish culture possibilities on the floodplains of the Niger-Benue drainage system. CIFA Tech. Pap. 4(1):1975;251-281. Suppl.
2. Awachie J.B.E., Ezenwaji H.M.G. The importance of Clarias spp. in the fisheries development of the Anambra river basin, Nigeria. CIFA Tech. Pap. 8:1981;212-224.
3. Awachie J.B.E., Hare L. The fisheries of the Anambra, Ogun and Oshun river systems in southern Nigeria. CIFA Tech. Pap. 5:1977;170-184.
4. Begenal, T.B., 1978. Eggs and early life history: Part 1. Fecundity. In: Begenal, T.B. (Ed.), Methods of Assessment of Fish Production in Freshwater, 3rd edn. Blackwell, Oxford, pp. 165-178.
5. Bruton M.N. The food and feeding behaviour of Clarias gariepinus (Pisces: Clariidae) in Lake Sibaya, South Africa with emphasis on its role as a predator of cichlids. Trans. Zool. Soc. Lond. 35:1979;47-114.
6. Bruton M.N. The breeding and early development of Clarias gariepinus (Pisces: Clariidae) in Lake Sibaya, with a review of breeding in species of the subgenus Clarias (Clarias). Trans. Zool. Soc. Lond. 35:1979;1-45.
7. Eyo J.E., Ekwonye U.C. The macroinvertebrate fauna of pools in the floodplain (fadama) of the Anambra River, Nigeria. Freshwater Forum. 5(3):1995;160-162.
8. Ezenwaji, H.M.G., 1982. Aspects of the biology of Clarias albopunctatus in the Anambra River basin, Nigeria. MSc Thesis, University of Nigeria, Nsukka, 173 pp.
9. Ezenwaji H.M.G. The problems of the taxonomy of Clarias species (Pisces: Clariidae) in Africa and suggestions for the field worker. J. Sci. Ed. 2:1986;22-34.
10. Ezenwaji, H.M.G., 1989. Aspects of the biology of some 'small' Clarias species in Anambra River basin, Nigeria. PhD Thesis, University of Nigeria, Nsukka, 224 pp.
11. Ezenwaji H.M.G. The reproductive biology of four African catfishes (Osteichthyes: Clariidae) in Anambra River basin, Nigeria. Hydrobiologia. 242(3):1992;155-164.
12. Hyslop E.J. Stomach contents analysis - a review of methods and their application. J. Fish Biol. 17:1980;411-429.
13. Ilozumba, P.C.O., 1980. Studies on the ecology and biology of Tenuisentis niloticus (Meyer, 1932) Van Cleave, 1936 Acanthocephala. PhD Thesis, University of Nigeria, Nsukka, 204 pp.
14. Le Cren E.D. The length-weight relationship and seasonal cycle in the gonad weight and condition in the perch (Perca fluviatilis). J. Anim. Ecol. 20:1951;201-219.
15. Margolis L., Esch G.W., Holmes J.C., Kuris A.M., Schad G.A. The use of ecological terms in parasitology. J. Parasitol. 68:1982;131-133.
16. Nikolsky, G.V., 1963. The Ecology of Fishes. Academic Press, London, 352 pp.
17. Okafor F.C. Distribution of freshwater gastropods in the lower River Niger and Cross River basins of southeastern Nigeria, with reference to their trematode infections. Beitr. Trop. Landwirtsch. Vet. Med. 28:1990;207-216.
18. Olatunde, A.A., 1983. Length-weight relationship and the diet of Clarias lazera (Cuv. and Val.), Family Clariidae (Osteichthyes: Siluriformes) in Zaria, Nigeria, In: Proceedings of the 3rd Annual Conference of the Fisheries Society of Nigeria, pp. 183-192.
19. Pauly D. Gill size and temperature as governing factors in fish growth: a generalization of von Bertalanffy's growth formula. Ber. Inst. Meeresk. 63:1979;154.
20. Pauly D., Munro J.L. Once more on growth comparisons in fish and invertebrates. ICLARM Fishbyte. 2(1):1984;21.
21. Popova, O.A., 1967. The predator-prey relationship among fish. In: Gerking, S.D. (Ed.), The Biological Basis of Freshwater Fish Production. Blackwell, Oxford, pp. 359-376.
22. Popova, O.A., 1978. The role of predacious fish in ecosystems. In: Gerking, S.D. (Ed.), Ecology of Freshwater Fish Production. Blackwell, Oxford, pp. 215-249.
23. Sparre, P., Venema, S.C., 1992. Introduction to tropical fish stock assessment. Part 1. Manual. FAO Fish. Tech. Pap., 306. 1, Rev. 1. FAO, Rome, 376 pp.
24. Sundararaj B.I., Vasal S. Photoperiod and temperature control in the regulation of reproduction in the female catfish, Heteropneustes fossilis. J. Fish. Res. Bd. Can. 33:1976;959-973.
25. Sydenham D.H.J. New species of Clarias from West Africa (Pisces: Clariidae). Rev. Zool. Afr. 94:1980;659-677.
26. Ursin E. The tropical, the temperate and the Arctic seas as media for fish production. Dana. 3:1984;43-60.
27. Welcomme R.L. River fisheries. FAO Fish. Tech. Pap. 262:1985;330.
28. Willoughby N.G., Tweddle D. The ecology of the commercially important species in the Shire Valley Fishery, Southern Malawi. CIFA Tech. Pap. 5:1977;137-152.