Denis Tweddle

MSc student Richard Peel sampling on the Kwando River Namibia Flood plain catch, Caprivi swamp fishing Caprivi
Impalila Island community meeting research on Lake Liambezi, Zambia setting fyke nets on Malagarasi
Honorary Research Associate
Denis Tweddle
Tel : +27 46 603 5800
Fax : +27 86 554 9365
Cell : out of signal in Namibia

View CV

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.