Fundulidae is the family of topminnows and North American killifishes. The 46 species are native to North America as far south as Yucatan, and to the islands...

The Potomac River (/pəˈtoʊmək/ ) is a major river in the Mid-Atlantic region of the United States that flows from the Potomac Highlands in West Virginia...

topminnow, Fundulus notatus, is a small freshwater fish in the family Fundulidae, found in central North America. In the United States, it occupies parts...

The following list of known freshwater fish species, subspecies, and hybrids occurring in Washington state is taken from Wydoski and Whitney(2003). Some...

(Fundulus julisia) is an endangered species of freshwater fish in the family Fundulidae. F. julisia is not only found in one state, Tennessee, but also in only...

This is a list of freshwater fish living wild in the US state of Maryland. Bowfin (Amia calva) White catfish (Ameiurus catus) Yellow bullhead (Ameiurus...

The following list of freshwater fish species and subspecies known to occur in the U.S. state of Oregon is primarily taken from "Inland Fishes of Washington"...

The state of Indiana is home to 208 species of fishes that inhabit its rivers, lakes, and streams that make up five watersheds. Indiana is the state with...

Waccamaw killifish (Fundulus waccamensis) is a species of fish in the family Fundulidae. It is endemic to Lake Waccamaw, a lake in North Carolina, United States...

The mummichog belongs to the order Cyprinodontiformes, and the family Fundulidae. There are two subspecies: F. h. heteroclitus (Linnaeus, 1766), in the...