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Nudibranchs (pronounced various ways, including NEW-duh-branks) are a family of sea slugs. They typically lack shells and are distinguished by their exposed gills, which is what gives them their...
1 maj 2024 · All nudibranchs are sea slugs but not all sea slugs are nudibranchs. Sea slugs belong to the class of Gastropoda, and the term is a common way to identify any snail or slug that lives in saltwater. On the other hand, nudibranchs are sea slugs that belong to the order Nudibranchia, soft-bodied marine gastropod molluscs that no long use shells ...
Nudibranchs are often casually called sea slugs, as they are a family of opisthobranchs (sea slugs), within the phylum Mollusca (molluscs), but many sea slugs belong to several taxonomic groups that are not closely related to nudibranchs.
Flabellinopsis iodinea, the Spanish shawl, is a species of aeolid nudibranch, a very colorful sea slug. This is a marine gastropod mollusk in the family Flabellinidae. This species is native to the west coast of North America and farther south.
While some nudibranchs are herbivorous, many others have bizarre specialized diets consisting of either bacteria, sponge, jellyfish, anemones, coral, sea pens, flatworms, barnacles, crustaceans, tunicates, eggs, or even other nudibranchs.
16 gru 2018 · Sea slugs also need to breathe oxygen. They do this via the surface of their entire bodies, but their main reparatory organ are their gills. Dorid nudibranchs have often a feather like structure encircling their anus on the back of their body (the branchial plume).
The term "sea slug" is perhaps most often applied to nudibranchs, many of which are brightly patterned and conspicuously ornate. For two examples, see the images of Nembrotha aurea and Glossodoris atromarginata within this article.
