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#1
06-21-2009, 06:33 PM
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Killer Crabs!!
Does anyone else have problems with crabs killing each other? I have zebra crabs and blue legged crabs and I seem to be finding crab legs constantly. Problem is it's only the blue legged crabs. It seems I have killer zebra crabs! Is there a alternate to crabs as a CUC?
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#2
06-21-2009, 08:59 PM
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I have one of those killer blue legged crab. He killed all the rest, even though there were shells available.
About yours, do you have extra shells for the crabs, they need new ones that are larger, when the crab grows.
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#3
06-21-2009, 11:42 PM
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last night
Last night I saw a crab chasing another. Funny thing was, the one crab had no shell on. The aggressive crab stole the one shell and then was trying to kill the other one after. This went on for a while. The shell-less crab tried to take another shell, and the first crab chased him out. You left too early Jason. It was kinda funny, but sad. I stopped watching after a bit, not sure what the outcome was.
__________________
 My 70 Gallon build: http://www.canreef.com/vbulletin/showthread.php?t=66478 My Mandarin Paradise: http://www.canreef.com/vbulletin/showthread.php?t=72762 I wonder... does anyone care enough to read signatures if you make them really small? I would not. I would probably moan and complain, read three words and swear once or twice. But since you made it this far, please rate my builds. 
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#4
06-22-2009, 12:00 AM
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I've been isolating all of the big hitch hiker crabs that I find in my tank into an area in my sump. I've thrown about 5 in there and I'm pretty sure there is only 1 left as it must have killed all of the others. They're opportunistic omnivorous and the only one I trust is the porcelain crab.
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour
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#5
06-22-2009, 02:26 AM
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Kind of frustrating when you spend alot of money on the crabs and they kill themselves off! Do poralin crabs clean as well as hermits? I know they filter the water.
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#6
06-22-2009, 06:32 AM
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Porcelain crabs only feed from the water column so they wont help with any problem algae or uneaten food. http://liveaquaria.com/product/prod_...629&pcatid=629
__________________
"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour
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#7
06-22-2009, 02:43 PM
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Crabs is crabs....best quote from this thread.... " they are opportunistic."
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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694
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#9
06-23-2009, 11:24 PM
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i had a blue legged hermit kill all my others too, but only when i was cylcing... Somone told me that nitrite and amonia spikes make crabs crazy... and once my levels balanced out he stoped with his killing... hes almost one year sober... now he likes to knock corals over.
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#10
06-24-2009, 06:46 PM
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Quote:
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Linear Mode
