Roly99
Aquarium Advice Apprentice
I bought this piece of dead coral with some polyps on it and i noticed one of these things on it. I noticed it in another part of rock, but then it seems to have made itself at home inside a little tube on the coral. As soon as light hits it, it shoots inside the tube it's living in. Any ideas on what this could be? and if I should try to remove it? Thanks for the help...
Roly.
Roly.