There is only one living species of bowfin, which is also called the dogfish, mudfish, or grindle. This uniquely American freshwater fish is found in the Mississippi River basin, the Great Lakes ...

The image shows a spiny dogfish with the head of sand lance sticking out of its head. The tail is seen sticking out of its ...

Scientists dropped an underwater camera into the ocean depths off a Caribbean island and waited. Watching the video feed, ...