Characteristics of fish are as follows:-
1.
Fishes are cold blooded mammals. There body's internal temperature is not constant and adjusts according to the environment.
2.
Fishes contain scales that protect them from being injured or infected
3.
Gils make them inhale oxygen in water
4.
Fins help fishes to
swim
5.
Fishes can see whatever's happening around them
6.
Fishes have no ears but still they can sense things and activities taking place in and above the
water.
7.
Fishes have
unique cells that help them move around water
8.
Fishes can sense the dangers approaching them
9.
Some fishes blend
in the environment by changing their color.
10. By releasing male and female sperms
at the same time reproduction takes place
11. Normally the shape of fishes is cylindrical
as to make swimming easy in water
12. Some fishes have light on their heads
as to see through dark and attract their prey
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