Help with ID

Luan B.

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Hello everyone,
Just after dipping the coral I saw this like guy floating around, looks like a nudibranch of some sort, hard to tell in the photos because is really small, anyone has any idea what is it? is greenish yellow with black marks… Thanks!

IMG_5835.jpeg IMG_5836.jpeg IMG_5839.jpeg IMG_5838.jpeg IMG_5837.jpeg
 

Tahoe61

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What color is the Goniopora?
 

Tahoe61

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Looks more like an Eylsia type. Not a Goniopora eating nudibrach.
 

ISpeakForTheSeas

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Looks more like an Eylsia type. Not a Goniopora eating nudibrach.
Yeah, hard to say from the pics (no judgement here, OP, it's a tiny critter), but I would guess Elysia flava or Elysia obtusa:
if it's from the Atlantic, it's E. flava; if it's from the Pacific, it's E. obtusa
Elysia flava or E. obtusa - harmless/beneficial Sacoglossan slugs. They're herbivores, with E. obtusa known to feed on Bryopsis, while E. Flava is thought to feed on Cladophora
 
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Luan B.

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Yeah, hard to say from the pics (no judgement here, OP, it's a tiny critter), but I would guess Elysia flava or Elysia obtusa:
Thank you! I had a look and looks like a Elysia Obtusa, I wonder if should I keep it or it’s a bad idea.
 

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