A slug is not a species but a name used to describe hundreds, maybe thousands, of species. A slug is any gastropod mollusk ...

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.

sea slugs. Luminous greens, blues, pinks, oranges, and even rainbow coloration are all on the cards when it comes to these gastropod mollusks (also known as nudibranchs). Often, it’s sending a ...

The gastropod has one lung, one foot, and no spine. The slug is native to the dense, moist forest floors of the Pacific Northwest, ranging from Central California to Alaska. One subspecies ...