Need help identifying this critter

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20260521_170017_D7E23858-E8F8-451A-8BB9-7224C1E3DDB3.png
 
Looks like some kind of gastropod to me. Perhaps a small nudibranch or sea slug. Does it have any extensions on its back? If you Google "dorid nudibranch" and then "aeolid nudibranch" you'll see two of the common body plans for reference.
 
Did you get any coral from your LFS lately? Seems you got a "freebie"
 

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