again with the i.d.

I just want to start off by saying some of the hitch-hikers you get on your live rock can be so cool.The first little fella is kinda neat, what with his fluorescent yellow/green ring just inside the ring of tentacles. This second one however is very shy and only comes out at night. In the daytime, the whole thing retracts into a hole or something and you would never know he's there.I wouldn't either if I hadn't been looking around the tank one night with a flashlight. Anyways, here they are.

 

Isn't that an Aiptasia Anemone in the first picture? Won't he cause big problems if allowed to grow out of control?

 

First picture is a majano anemone. I can't really see anything in the second picture.

HTH

 

thanks, just fish. the second one is the dot on the rock with 8-10 tentacles
(approx) and difficult to tell. thanks again

 

+1 mojano on the first pic. Second might be a caribbean corallimorph since it only comes out at night.

Marc