Starfish are also known as sea stars and are not really fish despite the name been given to them. These are echinoderms, which are found abundant in the deep blue seas and shallow waters as well. The starfish’s long arms can be from 10 to 25 inches long. The characteristic feature of this fish is the 5 (or even more) arms. The surface of these arms is often spiky in appearance.
An interesting fact about the starfish is that it has two stomachs. The cardiac stomach can help it to engulf food outside its body. When the cardiac stomach comes back into the body, the food in it is transferred to the pyloric stomach.
Know About Another Sea Animal
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