Slimy sea slugs.
- Sea slugs are also known as nudibranches, which means naked gills.
- Sea slugs are commonly found in tropical oceans.
- Sea slugs are mollusks without shells and come in a large variety of shapes, sizes and colours.
- There are thousands of species in the world, and at least 500 of them are found at Australia’s Great Barrier Reef.
- Some sea slugs are as small as sand, and some grow up to 30cm (12 inches) in length.
Sea Slug
Image courtesy of National Geographic
- Sea slugs have special, feathery gills at the back of the slug’s body that allow them to breathe.
- Sea slugs are carnivores that feed on sponge, coral, fish eggs, crabs, shrimp, lobster and clam.
- Sea slugs have strong jaws and rough tongues.
- Sea slugs have both male and female organs.
- Some sea slugs are eaten by humans and have been used in traditional medicine in the far East.
Bibliography:
Holden-Boone, A 1998, Coral Reef, Somerville House Books, Canada
Sea Slug 2008, A-Z Animals, <http://a-z-animals.com/animals/sea-slug/>
Not all sea slugs are known as nudibranchs — only the carnivorous ones.
The herbivore sea slugs are known as Sacoglossans.
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