Livebearers or livebearing tooth-carps are the common names used for the Poeciliidae family. They are originally distributed in America and Africa. They are primarily freshwater fishes with some species that can tolerate brackish water and at least one marine species. They differ from other fishes in term of their mode of reproduction where they give birth to young ones. .They feed mainly on insects, other small invertebrates, and aquatic vegetation.
There are 44 genera and at least 350 species worldwide. A single species in Malaysian water are introduced from West Indies.