An order of ray-finned fish, also called the Microcyprini, and comprising mostly small, fresh-water fish. They are closely related to the Atheriniformes[?] and are occasionally included with them. Many popular aquarium fish, such as killifish and live-bearers, belong here.
... Peru, Colombia, Venezuela, Guyana, Suriname and French Guiana. Named after brazilwood[?], a local tree, Brazil is home to both extensive agricultural lands and rain ...