Pea-brain
In Memoriam
The mantis shrimp you have in diver den should have a good burrow. I dont know if it has one, but if it doesnt, especially under the intense metal halides that the picture was taken under, it can and probly will grow algae on its back. This algae will be DEADLY because it will ruin the next molt. It is almost always fatal. if it doesnt develop algae it will almost certainly get shell rot. This is also deadly, but if the animal molts before it progresses to far it should be no problem. The yellow p. ciliata I ordered from you had a few spots of shell disease, but thankfully shedded it away. I dont have specific info on this spearer, but if it like most spearers it will need a simple U shaped burrow going down as deep as the animal is long. Im moderately sure you guys are already providing proper environment, but just wanted to make sure. Also, if you provide a deep mud bed it can make its own burrow