Nannostomus unifasciatus is a small freshwater fish that is native to the Amazon and Orinoco basins in South America. This species is popular in the aquarium trade and can be found for sale in the United States, but the exact trade volume and duration is unknown. Nannostromus unifasciatus has been introduced into Trinidad and Tobago but it did not become established. No information regarding impacts from that introduction was found. For these reasons, the history of invasiveness for Nannostomus unifasciatus is classified as No Known Nonnative Population. The overall Climate 6 score for the contiguous United States was Low. Most of the contiguous United States had a low local climate match. Areas of the Gulf Coast had a medium match with the southern tip of Florida having a high local climate match. The certainty of assessment is Low due to the lack of information pertaining to history of invasiveness. The overall risk assessment category is Uncertain.
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Uncertain Risk
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