All About Fish
© Contributed by
Clownfish.
Photo Source: Leanne Guenther
What distinguishes fish from the other animal classes?
Fish are a class of aquatic vertebrates. The combination of gills, fins and the fact that they live only in the water make fish different from all other animals.
Some fish are beautiful...
Photo Source:
Corel Web Gallery
And some...not so much.
Photo Source: Corel
Web Gallery
Fish spend all of their lives in the water and are cold-blooded with the exception of Tuna family and the Mackerel shark family.
Yes!
A seahorse is a fish.
Photo Source:
Corel Web Gallery
Lion Fish or Scorpion Fish
Photo Source:
Corel Web Gallery
Scientists believe that
there are more than 24,000
different species of fish in the
world.
The Whale Shark is the largest
member of the fish family.
Photo Source: Corel Web Gallery
They range in size from the largest, Whale shark at 16 m (51 ft) long, to the smallest the 8 mm (1/4 in.) Stout Infantfish.
Shark skeletons are made
of cartilage not bone.
Photo Source: Corel Web Gallery
Most fish have a skeleton made of bone but some, like sharks, have a skeleton made of cartilage.
Take a Break!
On-Line Activity:
Fish Tic-Tac-Toe