Mystery stuff that just showed up

[jeremy83179]

We just moved and had to move the rock around. We just noticed this dark colored substance and need help with identification. It was on the underside of the rock but not in the sand.

 

[S-t-r-e-t-c-h]

That's a sponge. Harmless and kind of cool, actually.

 

[Cnidoblast]

Keep them but never ever expose them to air

 

[Bitsy zimmer]

What happens if they are exposed to air? It was on accident testerday. We didn't notice it until this am...

 

[S-t-r-e-t-c-h]

What happens if they are exposed to air? It was on accident testerday. We didn't notice it until this am...

Air that gets caught in its tissue will cause necrosis.