Species that are considered uncertain risk need a more in-depth assessment beyond the Risk Summary to better define the species’ risk to U.S. environments.
Lake Rukwa Tilapia, Oreochromis rukwaensis, is a fish native to Lake Rukwa and the Ruaha river system in Tanzania. This species forms an important commercial fishery in Tanzania. The history of invasiveness is No Known Nonnative Population. It has not been reported as introduced or established outside of its native range. O. rukwaensis is listed as a prohibited species in Florida. The climate match analysis resulted in a low match for the contiguous United States. There were very small areas of medium match in southern California, Texas, and Florida. The certainty of this assessment is low due to a lack of information on history of invasiveness. The overall risk assessment category in uncertain.
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Uncertain Risk
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