But the plucky little fish have benefited from the assistance of generations ... were found to have invaded the gambusia’s limited territory. The mosquitofish is native to other parts of the U.S., but ...

A tiny fish that averages only 2.5 inches in length derailed political careers, delayed construction of a massive dam and reservoir, caused a U.S. Supreme Court landmark case and prompted ...

The razorback sucker is a large, warm-water fish native to the Colorado River basin. Construction of more than a dozen dams throughout the lower basin has left little natural habitat for the fish and ...

GRAND RAPIDS, Mich. (WOOD) — With a little help from the Michigan Department of Natural Resources, a native fish that was once considered “extinct” from state waters is working to make a ...