Denis Tweddle

setting fyke nets on Malagarasi research on Lake Liambezi, Zambia photographing fish on the kwango River
swamp fishing Caprivi Impalila Island community meeting sampling Congo tributary
Honorary Research Associate
Denis Tweddle
Tel : +27 46 603 5800
Fax : +27 86 554 9365
Cell : out of signal in Namibia

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Research Interests

African freshwater fishes

African freshwater fishes - Zambezi, Malawi & East Africa.

Taxonomy - mainly Cyprinidae, especially small Barbus species, but also small catfishes & Taxonomy of marine fishes.

Other - Zoogeography; Conservation; Fisheries stock assessment (Lake Malawi); Fisheries management; Environmental impact assessment. 


Recent Peer-Reviewed Publications


Russell, B.C. & Tweddle, D. 2013. A new species of nemipterus (Pisces: Nemipteridae) from the Western Indian Ocean. Zootaxa, vol. 3630, no. 1, pp. 191-197.Conradie, W., Tweddle, D., Mákinen, T. & Bills, R. 2012. Description of the tadpole of hylarana darlingi boulenger 1902 (Anura: Ranidae) from the Mulanje Area, Malawi. Zootaxa, , no. 3441, pp. 56-58.


Marr, S.M., Impson, N.D. & Tweddle, D. 2012. An assessment of a proposal to eradicate non-native fish from priority rivers in the Cape Floristic Region, South Africa. African Journal of Aquatic Science, vol. 37, no. 2, pp. 131-142.