This spotted gar in the Louisiana Bayou is an ancient and native fish species. (Solomon David/Nicholls State University) From art to religion to land use, much of what is deemed valuable in the United ...

In the U.S. Geological Survey's Non-Indigenous Aquatic Species database, these so-called 'native transplant' fish are almost twice as common as fish introduced from outside the country. But a new ...

URBANA, Ill. – Rivers split across mountaintops and other geographic barriers may flow only a few miles from one another, but to the aquatic creatures in those waters, the separation could represent ...