But there are snails that live in the water, too, including marine snails in the tropical oceans and freshwater snails ...

This critically imperiled freshwater snail is found only in a few sites in Arkansas and ... in their environments and are some of the most imperiled species in North America. They are indicators of ...

These freshwater giants have greenish-grey coloring ... The lake sturgeon is the oldest and largest native fish species in North America’s Great Lakes. Lake sturgeons can grow huge.