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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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sharks

Sharks

Shy Ocean Creatures?

anatomy of a shark
Anatomy of a Shark
  • Sharks belong to a family called Chondrichthyes. The members all have cartilage

rather than

bones.

cartilage not bones
Cartilage not Bones

Cartilage is lighter than bones and helps the shark to float.

sharks comes in all sizes
Sharks Comes in all Sizes

Whale Shark

Dwarf Dog Shark

6.5 in

to 59 ft.

mermaid purses
Mermaid Purses?
  • Shark egg sacs
lemon shark7
Lemon Shark

Or FACT?

great whites
Great Whites
  • Ocean Acrobats
tiger sharks
Tiger Sharks

Garbage Cans of the Ocean

They eat anything they can and help keep

the ocean clean

the real jaws
The Real Jaws
  • Meet the bull shark
bull sharks in fresh water
Bull Sharks in Fresh Water?
  • Bull sharks can live

in both the sea and

fresh water. They have

been found in the

Amazon, Ganges,

Mississippi and

Australian rivers.

goblin sharks
Goblin Sharks

Found only in deep waters, are extremely

rare, live on

fish and

octopus,

grow to

apprx. 10 ft.

human influence
Human Influence

Each year over 30 to 100 million shark are killed by nets, for food or for sport.

research
Research

Researchers combine shark cartilage and

cow collagen to make sheet to place over

a burn victim’s skin. The patient’s cells

invade, absorb

and replace the

sheet with new

human skin.

protection
Protection

Great whites are now protected along the

coast of California, Australia, South Africa

and the Maldives. Wildlife Conservation

Society has begun

a tagging program.