Clasiopella uncinata is a shorefly that breeds in and lives around shallow water habitats that range from fresh to hypersaline. It was first described form Taiwan in 1912. Its native range is thought to be Afrotropical, but its widespread distribution around the world makes this hard to pinpoint. It has been found in coastal habitats in Vietnam, Sri Lanka, Saipan, Madagascar, Australia, the Seychelles, Mexico, Belize, Jamaica, many Caribbean islands, and Colombia. It is a known introduction in Hawaii and the Galapagos. Impacts are unknown.