There are more than 52,000 species of Crustaceans in the world which include popular marine animals like lobsters, crabs, shrimp, crayfish and barnacles. Smaller crustacean breathe through their bodies and larger ones breathe through gills.


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The Amazing Mantis Shrimp Punches Its Prey, Plus More Colorful Facts

These brightly colored crustaceans can smash aquarium glass or quickly cut through a human finger, so whatever you do, keep your distance.

'Roly-poly' Bugs Are Great Garden Composters

Roly-poly bugs are natural soil conditioners because they process decomposing matter, helping keep your garden soil clean and healthy. And — fun fact — they're crustaceans, not insects.

Coconut Crabs: Crustaceans on Steroids

The biggest land-dwelling arthropod can crack into everything from coconuts to carcasses, but they're also really vulnerable.

Chainsaw Lobster Among New Deep-sea Species Found in Java Sea

The first-ever deep-sea exploration of West Java seas netted more than 12,000 marine creatures, including some new species of crabs, prawns and lobsters.

Boxer Crabs Clone Their Anemone Bioweapons

Bruce Lee has nothing on these boxer crabs.

'Sea Bees', Please! Tiny Crustaceans Help Pollinate Underwater

Scientists have discovered for the first time that animals pollinate flowers in the ocean.

Baby Lobsters Safely Devour Live Jellyfish Hosts Thanks to Fecal Wraps

Consider the lobster feces: a new discovery about a midgut membrane and how lobsters consume toxic sea nettles could help develop more sustainable farming practices.

Are Blue Lobsters As Rare As Blue Moons?

A Massachusetts fisherman recently caught a blue lobster, which had us wondering how rare this crustacean really is.

10 Weird Facts About Lobsters

Do you think much about the lobster before you crack it open and dip it in butter? These humble animals have some very odd habits. For one thing, they pee out of their faces.

Is there a 400 pound lobster out there?

Although no one can yet tell how old lobsters get, they show no apparent signs of aging. Learn why lobsters live so long and get so big, and what this means for other animals, including humans.