This is a joke
what is the most feared predator on earth?
the shark
how long do sharks live?
20 – 30 years
how many species of rays are there?
600
How many teeth do sharks produce during their lifetime?
approximately 30,000
Where are rays’ mouths located?
underside of them
how long is a great white shark?
about 20 ft
To what family do shark belong?
chondrichthians
at what water temperature can Hagfish be found?
under 22 celsius degrees
What is the largest known fish?
Whale Shark
True or false
Lampreys are found in fresh and salty water
true
How long does it take for a baby shark to develop?
about 15 months
How many gills do sharks have?
7
What is the skeleton of a cartilaginous fish made of?
flexible cartilage
other name for electric rays?
Torpedo
How are the Plow nosed chimaeras called and why?
elephant fish Because of their trunk like noses
How much volts of electricity can an electric ray generate?
to 200 volts
name 2 types of sharks
whale shark, great white shark, hammerhead shark, sand tiger shark or bull shark
Name 2 fish that lack fins, bones, jaws and scales
hagfish and lampreys
what percentage of oil is in a sharks body?
30%
Where does the poison of the Chimeras come from?
from their spine located in front of their dorsal fin