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Old 08/02/2007, 03:54 PM
hicmndr hicmndr is offline
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Join Date: Jul 2004
Location: Olathe, KS
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I lost a Tang (and a couple other fish, a clam, some soft corals, etc.) in a similar way and swore it was a mantis shrimp. I heard clicking, but never saw the shrimp, and could never catch it. I began noticing snail and hermit crab shells piling up near a rock.

I ended up finding and catching 2 really nasty looking gorilla crabs from under that rock. Ever since I removed the gorilla crabs I have had zero losses.

I still hear the clicking coming from my tank, but I haven't lost any livestock since I removed the crabs, and my Project DIBS snails are reproducing like crazy.

I ended up using the inverted bottle trap with some shrimp in it to catch the crabs.