I dont think its a nudi because the "rhinopores" dont look right to me. Found it yesterday about 4 or 5 meters down.
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Nudi or flatworm?
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Flatworns have a single body layer. This one has a mantle and a foot in addition to the rhinophores so it's some kind of branch. The way the body is organized reminds me of an arminid but I'm not sure if the tips of the rhinophores are right - they look more like they belong to an opisthobranch. Do you have another pic? Time to hit the books.
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I dont think its a nudi because the "rhinopores" dont look right to me. Found it yesterday about 4 or 5 meters down.
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It looks like a color variation of a Berthella martensi pleurobranch:
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I was just coming back to post the same SSF link that Bella did. B. martensi can shed parts of its mantle to get away from predators & it looks as if yours has lost the rear side portion.
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So... a pleurobranch is NOT a nudibranch, its a sea slug?
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They aren't nudibranchs, but side gilled slugs, from the Order Notospidea.
They're cute, anyway.
Marli
