Invertebrates Pictures, Invertebrate Animals, Facts

Invertebrate Features

Coral

It's reef madness in this colorful gallery of coral formations.
Photo Gallery: Coral Reefs

About 80 percent of all life on Earth is found in the oceans, which cover 71 percent of the planet's surface. Take a look at how colorful life under the sea can be.
Lobster

Learn more about these popular crustaceans that some think of only as a meal. Find out the sizes that these sea creatures are capable of attaining.
Sea Cucumber

Learn how these amazing echinoderms deter predators by snaring them with sticky threads and even hurling their internal organs about.
Discoveries in the Dark

Eyeless spiders, translucent millipedes, 175-year-old crayfish, and other odd cave-dwellers face an uncertain future.

Why Frog Skin Tastes Bittersweet

It's a discovery perhaps only a frog-licking scientist could make: Toxic frogs secrete sugars and bile acids in addition to their poisons.
Photos: Tiny Chameleons Discovered

Four new chameleon species found in Madagascar—some tiny enough to fit on a match tip—are among the smallest known reptiles.