A collection of fishes from the Aswa river drainage system, Uganda
1963
Greenwood, P.H.
The collection described below was made in April 1960 by the Uganda Game and Fisheries Department, and came from tributaries of the upper Aswa river about 20 miles north of Soroti. The Aswa rises on high ground in the western region of Karamoja and joins the Nile about 30 miles north of Nimule. For part of its course the river flows close to Lake Kyoga and some of its tributaries in this area arise near streams draining into Kyoga. Thus, it is an area of some zoogeographical interest since, like Lake Albert, it can be looked upon as an incursion of the Nile into a zone characterized by the large number of endemic or geographically restricted species occurring in bodies of water isolated both from one another and from the Nile.
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