Ok so my tank is infested with coral eating amphipod?? What do I do I got a mandarin goby 2 days ago and nowni lost my 7 head duncun in 2 days time? And they just started about 3 days ago whats making them eat my corals now?? Ive had my tank for about 1.5 years and always seen them but never really had a problem with amphipods till now... any advice?