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.
Variable Platyfish (Xiphophorus variatus) is a freshwater fish native to Mexico. The species is popular in the aquarium industry and has been used as a research subject. X. variatus is in trade within the United States. The history of invasiveness for X. variatus is None Documented. There were numerous records of introductions resulting in established populations. There were many records of potential impacts but no scientifically defensible information on documented impacts. The overall climate match is high. Most of the contiguous United States had a low of medium match with the areas of high match in the Southeast and Gulf. The certainty of assessment is low due to lack of information on impacts. The overall risk assessment category is uncertain.