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Unread 04/03/2008, 08:48 AM   #1
DeAtHtOpOoPiE
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Clicking sound in tank question

This is my very first post, I just set up my RSM tank 5 days ago. I had 2 very large crabs in the live rock and I got them out by running tap water on them. There were 2 other crabs that I consider to be small and they are very hard to get out of the tank at this moment. so my question is that this morning I heard the clicking sound coming from my tank, so I investigated. I saw a small crab and a somewhat bigger than the small crab on the same rock and I am wondering if this clicking sound could be them telling each other stay away from me, I'll kill you. The sound was coming from where the crabs were. Or I have also seen the crabs clawing at the live rock seems like they are chipping at the live rock. Is this just me hoping I don't have a mantis shrimp in my tank.

Thanks, Scott


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Unread 04/03/2008, 08:52 AM   #2
BeesGoneWild
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could you post a pic of the crabs? It could be a mantis shrimp or a pistil shrimp. what type of live rock are you using and where did you get them from?


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Unread 04/03/2008, 09:57 AM   #3
DeAtHtOpOoPiE
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I am using Fiji live rock, and from doing my research they look like rock crabs. ( beady red eyes) I am not sure though to me It also looks like a type of xanthid or mithrax crab. They both have smooth shells and seems to be hairy legs. They are so small and Every time I go by the tank they seem to hide from me. they don't seem to camera friendly. But this morning is the only good view I had of them both, should of took a picture.


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Unread 04/03/2008, 09:59 AM   #4
DeAtHtOpOoPiE
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I bought the rock from a LFS that had them in there tanks.


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Unread 04/03/2008, 10:01 AM   #5
inachu
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I am amazed how famous fiji live rock is.
Is most live rock from Fiji in the USA?
I am not sure if mine is.
sales guy told me most crabs with hairy legs are hunters.


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Unread 04/03/2008, 10:14 AM   #6
masonicman
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That's sound like you have a pistol.


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Unread 04/03/2008, 10:15 AM   #7
SkyPapa
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I had a mantis a few years ago.
I never saw it, just heard the clicking. I don't think it ever got a fish but I did have a lot of empty snail shells.
I didn't get it out till I had to move my tank and broke it down.
It was about three inches long. Gave it to a guy that had a small tank for it.


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Unread 04/03/2008, 10:20 AM   #8
DeAtHtOpOoPiE
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I plan on using, the cut the water bottle in half turn it around and making a crab trap out of it method. What type of bait should I use? Everyone thanks for your help, I am going to go home on lunch and see if i can get a picture of the kraken. hehe.


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Unread 04/03/2008, 11:14 AM   #9
kzickovich
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krill or anything that meatyhttp://home2.pacific.net.ph/~sweetyummy42/hitchcrabs.htmlhttp://www.flmnh.ufl.edu/reefs/guamimg/crustacea/xanthidae/index.html check these sites out for ID


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