What is this?

[MarkWNC]

Can someone tell me what this is? I found it on my live rock.

 

[ScubaFish802]

Looks like a Pineapple sponge, harmless filter feeder

 

[fishguy242]

@KJ @samnaz @vetteguy53081

 

[fishguy242]

Looks like a Pineapple sponge, harmless filter feeder

i thoght looks like crawling large pod of some sort??

 

[vetteguy53081]

Pineapple sponge. Upside down looks like some type if monstrous beetle

 

[vetteguy53081]

To confirm
Pineapple sponge:

 

[samnaz]

That’s a pineapple sponge