sea star

5 Amazing Facts About Starfish for Kids

starfish

 

 

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Everything to Know About Starfish (or Sea Stars)

Starfish, or sea stars, or beautiful marine creatures that appear in a variety of vibrant colors and textures. Their bodies are intricate works of natural art, perfectly designed so that they can adapt and survive deep in the ocean. Children's books about starfish are filled with interesting illustrations and photographs for readers to explore. Kids who are interested in marine life will enjoy learning more about the habitat, reproduction, and behavior of these magnificent stars of the sea.

 

sea star

 

The correct name is sea star.

Although these five-limbed sea creatures are often referred to as starfish, they are not fish at all. They do not have scales, fins, gills, or any of the other anatomical parts associated with fish. Sea stars, as they should be called, are more closely related to sand dollars and sea urchins.

 

starfish

 

Starfish live a long time.

Sea stars can live up to 35 years. Their long survival rate is partly attributed to the fact that they are regenerative. If a limb is severed, it will eventually grow back so that the sea star is again completely able-bodied.

 

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The most familiar sea stars have five arms.

However, some of the lesser known types can have many more limbs. For instance, the sun star has a mind-boggling number with forty arms extending from its body.

 

sea stars

 

Sea stars do not have a brain or blood.

 They have a fairly sophisticated, built-in filtration system that pumps sea water through their blood. From these filtered water, sea stars derive all their nutrients.

 

sea star

 

Their stomachs exit the body to eat.

Little suction cups all over the body are used to trap the food first. Then the stomach appears through the mouth to process and digest the food. After this process is finished, the stomach re-enters the body and returns to its original position until it is time to eat again. 

 

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