No idea what this could be

BellaCoop · Mar 15, 2018

Any idea what this could be? Iv tried researching it and it’s just odd. It does not look like anything Iv been coming across.

erk · Mar 15, 2018

It would appear to be either a tunicate or sponge. I am unable to make out any real features other than the siphons to say reliably which it is. Can't say if it will be a problem either since I don't know the details of your tank. Some sponge and tunicate species are considered pests and will grow out of control. That isn't typically a problem in new aquaria, but it could be if you have a fairly mature tank and this stuff just recently started growing.

BellaCoop · Mar 15, 2018

The tank is brand new. It’s only been cycling for 4 days.

reef lover · Mar 15, 2018

Looks like skeletal remains of an old coral on dry rock...was your rock lr??

BellaCoop · Mar 15, 2018

Yeah it was LR. Should I be concerned at all? Iv never seen anything like it

BellaCoop · Mar 15, 2018

#reefsquad

redfishbluefish · Mar 15, 2018

The apparent two siphon tubes would suggest it is a tunicate.

You'll have to determine if this is so....picture is too blue....is it soft or hard?

DSC reef · Mar 15, 2018

Tunicate or a sponge is my guess. We have some sponge in the reef tank that has siphon tubes on them.

Lovemyreef2015 · Mar 15, 2018

I agree with above posts. It's either a tunicate or a sponge. I would post a picture with white light so we can see more detail.

KJ · Mar 15, 2018

Sponge or tunicate.

erk · Mar 15, 2018

Since your tank is brand new, there is a small chance it will survive. Too often these types of animals starve in our tanks due to the lack of free floating organic particles. There is also the issue of the nitrogen cycle development in your tank, the ammonia may kill it. I wouldn't be worried if it lives, though. A lot of people enjoy having this type of life in their tank. The microfauna in a reef tank is some of the most enjoyable stuff to observe.