The term ‘sea slug’ may conjure up drab, lumpish-type creatures, but thankfully the names of its 11 sub groups, such as nudibranchs, sea butterflies, sea hares and sea goddesses, more evocatively describe these strangely-shaped, flamboyantly-coloured species. Beyond their beauty, there is more than meets the eye – sea slugs have evolved over millions of years…
Flamboyant, fantastical and fascination: Nudibranchs of the Hauraki Gulf — Conservation blog