Id?

The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Never seen anything like that have you tried poking it or anything like that or too see if its an inveterate
 
Google colonial tunicate. It really looks like an encrusting colonial tunicate. Sponges generally don't open and close their siphons that I am aware of.
 
Back
Top Bottom