Emrald and Lightfoot crabs

thereefer

New Member
Help!
My emrald crabs and sally light foot crabs are dropping like flies. Everything checks out. But they just keep dropping. They are not molting just dying. No mantis shrimp either. Anyone have any ideas. It seems to just be the crabs.
 

thereefer

New Member
The crabs show no signs of damage. I have a yellow tang, a sail fin tang, 3 chromis and a blue damsel. These fish have been in the tank for over a year. Help
 

option720

Member
Do you have any other inverts in the tank? If just the inverts are dying chance are that you got some copper in your tank? Have you added anything new lately? Did you dose your tank with any meds? Think hard... Go buy a copper test and tell us what it reads.
 
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