green thing

[cassie]

I am definitly new at all this. This is our 12g nano cube. After about a month this little green thing popped up on our live rock. Now about 3 months later, it is much bigger and I was wondering if anyone could tell me what it is.

Here it is in April

 

And here it is now:

 

And in the scope of our whole tank near the bottom left:

 

 

Thanks for any help.

[formerly icyuodd/icyoud2]

check out this thread, might help out.

http://www.nano-reef.com/forums/showthread...&threadid=58627