Sharks. Shy Ocean Creatures?. Anatomy of a Shark. Sharks belong to a family called Chondrichthyes. The members all have cartilage rather than bones. . Cartilage not Bones. Cartilage is lighter than bones and helps the shark to float. Sharks Comes in all Sizes.
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Shy Ocean Creatures?
Cartilage is lighter than bones and helps the shark to float.
Dwarf Dog Shark
to 59 ft.
Garbage Cans of the Ocean
They eat anything they can and help keep
the ocean clean
in both the sea and
fresh water. They have
been found in the
Found only in deep waters, are extremely
rare, live on
apprx. 10 ft.
Each year over 30 to 100 million shark are killed by nets, for food or for sport.
Researchers combine shark cartilage and
cow collagen to make sheet to place over
a burn victim’s skin. The patient’s cells
and replace the
sheet with new
Great whites are now protected along the
coast of California, Australia, South Africa
and the Maldives. Wildlife Conservation
Society has begun
a tagging program.