Hey i just bought 3 condys a couple weeks ago on the 4th of this month.. Basically they were looking great last night but i woke up this AM and noticed that one of them (the larger of the 3) has gotten smaller and a light brown color.. Its still attached to the rock and i did feed it some shrimp that it did take in and eat.. What should i do and what is going on with it... Is it just Pooping LOL or what... I hear that if it dies it can NUKE the tank.. How do i prevent this and what should i do at this point? please let me know ASAP....