Usually, there isn't much left to do any kind of analysis on, in a matured tank ... things are recycled within hours. ...
From what I've heard, if you have a mantis, sometimes you can hear an unexplained clicking sound coming from the tank. Of course the reverse isn't necessarily true, if you hear an unexplained clicking sound it could be a pistol shrimp which are supposedly harmless.
You could be onto something. Your tank has been up and running for a while, for this many crustaceans to go missing or maimed/injured unexpectedly ... there might well be a predator of sorts.
Hopefully, one of our more experienced mantis catchers can jump in here and offer something useful .... Dez you out there???
good luck
PS. hope you don't mind but I'm going to move this into the main reefing forum in the hopes it will get more hits...
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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