The blue-spotted stingray (Taeniura lymma) doesn’t like to be covered in sand...
Sharks have young in three different ways. After internal fertilization, some...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Long Live the Sharks and Rays
Students will learn about adaptations that have helped sharks and rays survive....
Mon, 11/30/2009 - 13:20
Dwarf Lantern Shark
The smallest shark, a dwarf lantern shark (Etmopterus perryi) is smaller than...