Rather than hiding from predators, the brightest and most patterned sea slugs are active during the day so their colors shine ...

They found that sea slugs use bold visual signals like brightly colored spots, thick stripes, or enhanced body outlines to ...

Nudibranchs are sea slugs. They are soft-bodied animals, and like clams, snails and squid, they are mollusks. Nudibranchs belong to phylum Mollusca, class Gastropoda, order Nudibranchia.

Number two: Look at them—all that color, that variation ... resembles an inch-long purple pineapple under the sea. The green parts of the slug are its gills and sensory receptor organs.