What is this thing?

[SolarEclipse]

Can anyone tell me what this thing is with tentacles. It’s never been out of this rock.

 

[KJ]

Brittle Starfish (Ophiuroidea)

 

[LiveWire]

Welcome to the REEF!!

+1 Looks like micro stars They are good to have.

 

[SolarEclipse]

Thank you guys for the answers. It’s much appreciated. Did a lot of googling and was not coming up with anything. So thankful for this forum.