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Old 01-16-2010, 09:16 PM
Toolman Toolman is offline
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Default Snapping sounds in my tank
I just added about 80 lbs of live rock to my tank and now once in a while I hear snapping sounds comming from my tank. They seem to come in fast groups of 3 , I had a mantis shrimp hitch hiker from some other rock but I got rid of it. I have a fidler crab, could he be making the noises. I have lost 3 fish since I put in the new rock. I have a very small crab which I believe is a gorrila crab living in one of the rocks, but it seems to small to be killing my fish. Any body know what makes a loud sharp snapping sound ???
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Old 01-16-2010, 09:19 PM
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I think you might have another mantis in there somwhere
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Old 01-16-2010, 09:23 PM
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or pistol shrimp
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Old 01-16-2010, 09:26 PM
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Just the missing fish leads me to think mantis....not sure but i dont think pistolshrimp will kill fish
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Old 01-16-2010, 09:31 PM
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the other mantis didn't make any sounds like I hear now, could either of the crabs be doing it ? I heard that gorrila crabs are bad ???
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Old 01-16-2010, 09:33 PM
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The snapping is rapid fire if that means anything ??
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Old 01-17-2010, 12:31 AM
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Quote:
Originally Posted by Toolman View Post
The snapping is rapid fire if that means anything ??
I don't think you can tell the difference between a pistol or a mantis just by the snap noise. I wouldn't worry about it either way.
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Old 01-17-2010, 12:41 AM
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I am pretty sure the fish are worried about it
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Old 01-17-2010, 12:58 AM
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There are a number of things it could be. Mantis and pistol shrimps get blamed most of the time. But I've heard similar noises from clown fish that will making a snapping sound with their jaws from time to time. Additionally, I discovered earlier this year that blue leg hermit crabs can make similar sounds as they attempt to violate each other for their shells. I was sitting by my tank and heard that dreaded clicking sound and jumped up to see what it was. I discovered it was a hermit crab violently tugging on another crab trying to evict it from its home and hitting the shell on the glass of my bare bottom tank.
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Old 01-17-2010, 02:41 AM
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maybe check out some cheap diy mantis and crab traps just in case, leaning a glass jar with bait on the bottom against a rock for the night might catch the gorilla before it causes any (more?) damage, also i had a HH pistol shrimp, he would snap sometimes several times (up to 5 or 6) about a second apart but never caused any problems, only ever saw it twice just heard it lots
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