Parts of a Crab in English with Pictures

Crabs are a type of crustacean with a hard exoskeleton and ten legs. In this reference, you will explore the various parts of a crab and their functions. Whether you are a seafood lover or simply curious about marine life, learning about the parts of a crab is a great way to appreciate their complexity and beauty. So, let’s dive in and explore the world of the parts of a crab!

Parts of a Crab

Parts of a Crab with Pictures
Parts of a Crab with Pictures – Created by 7ESL
  • Claw or chela
  • Antenna
  • Eyes
  • Dactyl
  • Carpus
  • Cepalothorax
  • Abdomen
  • Swimming legs
  • Walking legs
  • Merus
  • Propodus

Crab Parts with Examples

Learn these crab parts names to improve and enhance your vocabulary words in English about animal body parts.

Crab Anatomy with Pictures
Crab Anatomy with Pictures – Created by 7ESL

Claw or chela

The claw/chela of the crab is so powerful that it can even break through the shells of other crabs.


The crab’s antennae can be regenerated if they are damaged or lost, allowing the crab to continue to survive and thrive.


The crab’s eyes are able to detect polarized light, which helps it to navigate and orient itself in the water.


The crab’s dactyl is incredibly strong and can crush even the toughest shells.


The carpus is located at the end of the crab’s walking legs, just before the claw.


The cephalothorax contains many of the crab’s vital organs, including its brain, heart, and digestive system.


The abdomen of the crab is flexible, allowing the crab to curl up into a ball for protection.

Swimming legs

The swimming legs, also known as appendages, are located on the abdomen of the crab.

Walking legs

The walking legs of the crab are an essential part of its anatomy, allowing it to navigate both land and sea environments.