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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.

Boxer Crabs Clone Their Anemone Bioweapons

Researchers have found that the Lybia boxer crab sports sea anemone cudgels. Learn how that works at HowStuffWorks Now. See more »

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

Pollination of plants underwater involves animals as well as water flow. HowStuffWorks Now explains how. See more »

Baby Lobsters Safely Devour Live Jellyfish Hosts Thanks to Fecal Wraps

How do lobsters protect themselves from jellyfish venom? Learn more about lobsters, feces and jellyfish in this HowStuffWorks Now article. See more »

Are Blue Lobsters As Rare As Blue Moons?

How rare is it to find a blue lobster? Learn about the rarity of blue lobsters at HowStuffWorks Now. See more »

10 Weird Facts About Lobsters

Lobsters pee out of their faces. Find out 10 weird facts about lobsters at HowStuffWorks. See more »

Is there a 400 pound lobster out there?

A giant lobster weighing over 100 pounds could exist, according to recent studies on lobster growth and aging. Learn about the possibility of a giant lobster. See more »