emerald crab

Ok so in my nano I have a pump pumping water into a refgium and than it over flows back into the tank. The pump failed and the refugium had a salinity of 1.036 by the time I noticed. I keep a zebra hermit in it to both survived and don’t seem stressed. The crab is there to help prevent algae...

I know plenty of you have them with no problems. I wasn't so lucky. I had one that loved to eat my SPS. I saw it going to town on a staghorn SPS frag the other night. I made a trap to try and catch it. Jar with small opening, baited with Mysis in a mesh pouch. The emerald could care less...