Starfish Facts for kids.

Starfish have no brains! Starfish Facts and Coloring Pages for Kids

Did you know that starfish live in the ocean but cannot swim? They have eyes on their arms, no brain, no blood in their bodies, and lay millions of eggs. Wow, who knew starfish were so amazing? Learn more with these Starfish Facts.

Starfish Facts for kids.

  • Starfish are also called sea stars.
  • Starfish aren’t actually fish! A starfish is an echinoderm.
  • An echinoderm is a type of marine animal with a similar number of body parts arranged around a central axis, a calcium-containing inner skeleton, and a water vascular system.
  • Sand dollars, sea urchins, and sea cucumbers are other types of echinoderms.
Person holding a red starfish.

2,000 Species of Starfish!

  • There are around 2,000 species of starfish.
  • Starfish are found in every ocean on the planet.
  • They do not live in freshwater, such as lakes or streams; they only live in saltwater.
  • Starfish can come in many colors. Some common colors are red, orange, yellow and coral colors.
two starfish in the water.
  • A common starfish has 5 arms, but some starfish have up to 40 arms!
  • Starfish can regrow their arms.
  • If a starfish is caught by a predator, they will sometimes drop their arms to escape and then grow them back.
  • Predators include: otters, shrimp, sea tutrles, birds, fish, crab, lobsters, and even other sea stars!
  • Depending on the species, starfish can be between 4 and 11 inches in size.
  • They can weigh up to 11 pounds.
  • The lifespan of a starfish also depends on the species; some live up to 35 years.
Orange and white starfish under water.

Starfish are Carnivores

  • Starfish are carnivores, meaning they are meat eaters.
  • Starfish eat clams, oysters, snails, and tiny fish.
  • Starfish do not have blood or brains.
  • Instead of blood, they have a water vascular system.

  • Different species of starfish feel different. Some have a leather-like feel, and others feel prickly.
  • Starfish cannot swim. They move across the ocean by hundreds of tube feet on their arms and body.
  • Starfish have tiny microscopic eyes at the top of each arm.
  • Even though they have many eyes, they cannot see very well.
  • A starfish’s mouth is in the center of their underside.
  • They have two stomachs.
  • Female starfish can make millions of eggs.
  • They release the eggs into the ocean, never going back to care for them.
  • Starfish can change gender from male to female or female to male at any time.

We hope you enjoyed these amazing starfish facts. Check out our free printable coloring pages below.

Starfish Coloring Pages

Free printable starfish coloring pages.