Crustaceans
Crabs, lobsters, shrimp and their relatives, most of them in the sea. Two surprises: barnacles, which look like shellfish but are crustaceans stuck head-down to a rock, and the woodlouse, which lives on land.
10 animals, A to Z.
- BarnacleAbout 2,100 species of marine crustaceans related to crabs and lobsters.
- CrabArmoured crustaceans with the tail tucked under the body, able to run sideways.
- CrayfishFreshwater relatives of lobsters, also called crawfish or crawdads.
- Ghost crabA pale, box-bodied crab of tropical and subtropical sandy beaches worldwide, with long, thick eyestalks and one claw bigger than the other.
- Hermit crabAbout 800 species of crustaceans that protect their soft abdomen in empty snail shells.
- KrillSmall, shrimp-like marine crustaceans found in every ocean, near the bottom of the food chain.
- LobsterLarge marine crustaceans with long bodies, muscular tails and big front claws, highly prized as seafood.
- Mantis shrimpMore than 520 species of predatory sea crustaceans, usually about 10 cm long, that live in burrows on shallow tropical and subtropical seabeds.
- ShrimpCrustaceans with long bodies, long antennae and thin legs, which swim forward with paddles under the tail and flick backwards to escape.
- WoodlouseLand-living crustaceans with flat, segmented bodies and seven pairs of legs.
How each answer is decided: How we answer. Every animal, in one list: All animals.