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Old 11-16-2011, 10:27 PM
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mike31154 mike31154 is offline
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I have the same sound & I know there's no mantis in my tank because a couple of crabs are thriving. A mantis would take care of any crabs in short order. I kind of doubt mine is a pistol shrimp either, I've never been able to see it if it is. Think I may have read somewhere that even certain crabs can make this noise with their body armour.
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