Sharks
How many teeth do great white have?
300
What do skates eat?
Molluscs, shrimp, crabs, and small fish
Are males or females bigger?
Females
What is a common name for a chimaera
Ghost shark
In cartilaginous fish, their entire skeletons are made of this material.
Cartillage
Which shark is responsible for most human death
Great White
Are skates dangerous or harmless?
They are completely harmless to humans
How do rays travel?
They move by flapping their wings in a gliding motion.
How big can chimaeras get?
up to 5 feet long
What digestive system do cartilaginous fish have?
a complete digestive system.
What type of tail do sharks have
Heterocercal
Do skates sting?
No, they have a thorn-like defense.
What are rays predators?
Sharks, orca whales, elephant seals
Chimaeras have a very large_____fin
pectoral
What does countershading look like
dark on the top and light on the bottom
What is the biggest shark in the world
The whale shark
Skates have what gigantic organ?
Liver
Do rays lay eggs?
No they give live birth
How do they differ from sharks?
Their top jaws fused to their head.
What is a heterocercal
a non-symmetrical tail.
What do sharks livers contain a lot of?
Liver
Where could you find skates
Sandy, gravel, muddy bottoms
Where do rays sleep?
In the sand
How do they reproduce?
By laying eggs.
Small dots around the mouth and nose are called___?
Ampullae