An 'extremely rare' rainbow sea slug was spotted along the coast of England
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When Vicky Barlow picked up a rock along the Cornwall shore recently, she suspected something special might be underneath.
Barlow was rock pooling, an activity in which people scour a coastline for aquatic wildlife living in the gaps in the seashore that remain filled with water when the tide goes out.
"It was quite a large, heavy rock, covered in various seaweeds, and once lifted something extremely bright and unusual caught my eye," Barlow said in a blog post.
"Having been reading up on nudibranchs a lot recently I knew exactly what the colourful blob in front of me was!" she added, referring to the group of unshelled mollusks.
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What Barlow found was a rare rainbow sea slug, or Babakina anadoni.
The brightly colored creatures are typically seen in the warmer waters off the coasts of Spain, Portugal and France, she said, but one was also found in United Kingdom waters last year.
Barlow, a team member with the nonprofit Rock Pool Project, briefly put the slug in a pot to get a better view of its vivid pink, purple and yellow body before returning it to the rock pool where it was discovered.
"Like most nudibranchs it had quite the personality," Barlow said, "rearing up to get a better look at its surroundings, and using its tentacle-like 'cerata' along its back to make itself appear bigger if one of our hands got too close."
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