What is this thing growing on my rock?

[CarterJ]

This yellow looking think started growing on this rock a few months Ago. Any idea what it is?

 

[KrisReef]

Looks like some kind of sponge.

 

[Mastiffsrule]

Looks like some kind of sponge.

I thought it looked like a fruit loop.

 

[CarterJ]

Looks like some kind of sponge.

Is it something I should try to remove or something beneficial?

 

[KrisReef]

Sponge is a normal part of a healthy ecosystem. Keep your eye on it to make certain this is what it is.