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Starfish Facts

Updated on April 20, 2011

Interesting Starfish Facts

Here are some interesting facts about starfish. I am sure you will find these facts amusing. Please share your views about this article by commenting below. You can also share a fact.

Starfish do not have brains.

Did you know that there are about 2000 species of these fish?

They don't have a single drop of blood in their body. Their blood is actually filtered sea water.

They have five or more arms.

You will have to turn a starfish upside down to see its mouth because they have their mouth on the underside.

Although they don't have any eyes but they are not completely blind. They have ability to sense light and shapes through an eyespot located on the tips of their arms. Eyespot is an organ sensitive to light.

They can live up to 35 years in the wild.

Starfish are found in all the oceans.

The sun star, a species of star fish, have up to 40 arms. Normally they have 5 arms and thus the name starfish.

These fish have two stomachs.

They can move on the ocean floor with projections on their underside called the tube feet.

They are also called the sea stars.

These fish can vary in size from 12 to 24 cm and can weigh up to 11 pounds.

When threatened by a predator, the starfish will drop an arm and get away. They can regenerate this arm later.

Their nervous system is spread through their arms and some species can grow a completely new starfish from a portion of a severed limb.

I am sure you liked these starfish facts.

Starfish Eating!

Here is a video that shows a starfish eating. I am sure you will be amused to see these interesting creatures having their food. Also notice the legs in the video.


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    • profile image

      wkkdka 4 years ago


    • profile image

      chloe 4 years ago

      i loved it. i was doing a project for school and all those facts helped me thank you. oh by the way your video want work

    • profile image

      kennedy 5 years ago

      this did not help i already knew all of this

    • profile image

      hayley 5 years ago

      this is so cool i could go on this every day

    • profile image

      carli 6 years ago

      seastars are fish stupid

    • profile image

      Breanna V. 6 years ago

      Luv itttt¡¡¡¡¡¡!!!!!!!

    • profile image

      My Nissan Titan Truck 4 Sale 6 years ago


    • profile image

      jade 6 years ago

      Love the facts.It is really helping with my report on starfishes.The video won't work.:(

    • profile image

      Jasmine 6 years ago

      Is it true that a female sea star can change its organs to a male sea star?

    • profile image

      laiba 6 years ago

      starfishes are my pets

    • profile image

      sillycat 7 years ago

      Yeah i like ur facts it helped me with my report thanks to u i got an a+!!!!!ur video still won't work:(

    • Ultimate Hubber profile image

      Ultimate Hubber 7 years ago

      Thanks for stopping by Suzie! And thanks for informing me about the video. I'll fix it later.

    • suziecat7 profile image

      suziecat7 7 years ago from Asheville, NC

      I have seen starfish and they are cool. I generally don't like things that creep and crawl. Thanks for the interesting read. (Your video won't work -:(

    • Ultimate Hubber profile image

      Ultimate Hubber 7 years ago

      Thanks Qudsia!

      I also haven't seen one in real life.

    • QudsiaP1 profile image

      QudsiaP1 7 years ago

      Fascinating as always. Never seen one in real life though.


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