Nudibranchs: Snails of the Sea

Nudibranchs are the colorful underwater relatives of land snails. They crawl along the ocean floor eating sponges, crustaceans, and jellyfish (and they can actually use the jellyfish toxins they consume as a defense against larger predators — pretty neat, eh?).

These incredible animals are extremely difficult to find, so it’s not surprising that biologists are constantly discovering new species, on a near-daily basis.

Watch the video to learn more about these brilliant creatures.

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Matthew M. Sullivan holds a bachelor's degree in creative writing from Grand Valley State University, with emphases in fiction and nonfiction. He lives smack-dab between some railroad tracks and Grand Rapids Michigan's third-busiest road, and spends his time studying film and literary fiction.