Voilet Sea Slug Flabellina pedata
Most common during summer, the violet sea slug is a striking purple colour and is best seen underwater
Conservation status in Norfolk
Not threatened
How to help
The marine environment is under pressure and by supporting campaigns for better protection of marine ecosystems we can help the violet sea slug and other marine invertebrates.
Rob Spray
Information on the Voilet Sea Slug
How to recognise
The violet sea slug is a beautiful purple colour with white tips to the pointed growths (cerata) on its back and head. It has two antennae, called rhinophores, and has two more either side of its mouth which it uses to feel for food.
Where to see
The best place to find violet sea slugs is underwater. If they were seen in a rock pool they might appear like a very small beadlet anemone underwater - like an anemone they would not hold their shape if they were lifted out. They occur in large numbers on shipwrecks and if you were to snorkel down to the shallow wrecks off Cley or Weybourne you might see them as tiny purple dots - these are very small animals which need careful searching to find.
When to see
Numbers increase after their food appears in the spring, they are most common during the summer.
Did you know?
These sea slugs, or nudibranches, are molluscs just like land slugs and snails, although they are very different. Many nudibranches eat stinging animals called hydroids, which are like small anemones on stalks; they can pass the stings through their digestive system and collect them on their back as a deterent to predators.
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