Sharks are a remarkable, diverse group of ocean-dwellers that inhabit marine ecosystems all over the world. From the massive, ...

Over 500 species of sharks exist in our oceans today, ranging from hammerheads (Sphyrnidae) to tiger sharks (Galeocerdo ...

This shark species, which is federally protected in U.S. Atlantic waters, has an unusual reproductive strategy. The first shark to hatch from its egg case (while in its mother’s uterus) seeks out and ...