Crab Facts & Trivia

Crab Facts

  • Crabs live an average of three years.
  • Crabs are decapods or crustaceans with 10 limbs.
  • Crab’s shell is a skeleton on the outside of its body.
  • There are about 5,000 species of crabs.
  • Crabs have claws on their front two legs.
  • Crabs have large compound eyes made up of hundreds of tiny lenses.
  • Crabs hatch as tiny larvae, just the size of the head of a pin.
  • A female crab lays millions of eggs at one time.
  • Crabs are invertebrates.
  • If a crab loses its claw, the claw grows back.
  • A crab’s teeth are in its stomach.
  • Crabs can be carnivores, herbivores, or omnivores.
  • King crabs are not considered true crabs.
  • Crabs have gills to breathe.
  • The Red Rock crab is the most colorful showing it red, yellow, orange and white.
  • Crabs are located in more places than any other sea creature.
  • Crabs communicate by flapping their pincher or pounding their claws.
  • Crabs can walk in any direction, but will normally move sideways when hurried.
  • If a crab loses a limb it will grow back.
  • Many crabs have a flat body that enables them to enter narrow spaces.
  • A cast is a group of crabs.
  • A crab can move at a speed of 12 MPH.
  • Average life span is 3-4 years.
  • Japanese Spider Crab has a leg span of 12 feet (claw to claw).
  • Crabs have eyes on stalks, much like a snail.
  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Crustacea
  • Order: Decapoda
  • Family: Brachyura

Crab Movies

  • The Crab Movie, (2010)
  • Attack of the Crab Monsters (1957)

Crab Songs

  • Crab, by Weezer
  • The Crab Song, by Faith No More

Famous Crabs

  • Crazy Joe, from the Cartoon “Shark Tale”
  • Hawthorne, from the Comics “Sherman’s Lagoon”
  • Mr. Krabs, from the TV show “Spongebob Squarepants”
  • Sebastian, from the movie “The Little Mermaid”

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