Need help what do I have here

[jayala12]

A lot of times if it's in a shaded area it's a sponge .. not all the time but most of the time .. I have them all over my tank and people have told me they filter the water as well

 

[82coz]

Is this good or bad

(Caulerpa Slug) I think got raid of it just in case

 

[82coz]

A lot of times if it's in a shaded area it's a sponge .. not all the time but most of the time .. I have them all over my tank and people have told me they filter the water as well

Nice thanks for your help

 

[Tahoe61]

Need help what do I have here

Tunicate is 1st image.
The other looks like a Sarcophyton, a soft coral.

 

[greenhorn reefer]

This thread is a lot of fun! I love seeing all the critters that I didn't see because of starting dry.