ID please

[Rafty]

I saw this coming out the sand this evening. Looks more like an animal than plant. Has tentacles that move around. Any idea what it is?

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[mcgyvr]

Likely a spaghetti worm (harmless/beneficial)

I'd suggest browsing/bookmarking this for future use.. It has most of the common stuff you have been asking about as well as a thumbs up/down rating system..
https://www.lionfishlair.com/hitchhikers-guide/