Maybe a mantis?
I think I might have a mantis. I’ve read your pages on the mantis but still am unsure. Maybe it’s a pistol. Here’s the symptoms: new, cured live rock and sand, new setup. JBJ Nanocube (12g) with about 7 small hermits (can never see them all at once, so I’m not sure), and 4-5 Nerites snails, a bumblebee snail, and one peppermint shrimp (just added last week). The tank has been setup about 2 months now and that’s all that’s in it – taking it very slowly to be sure all is ok. During the daytime I hear clicking sounds, like glass marbles hitting glass. << More like mantis, less like pistol. >> Its only once in a while, very sporadic and usually only a couple clicks at a time. I’ve also seen something burrowing in the rock, digging, spewing out white, chalky particles. My rock is very porous with an intricate network of caves and tunnels throughout. Pretty sure I saw the little guy one night. I was hoping all along the popping sounds meant pistol shrimp so I was all set to see tentacles and
