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#1
05/21/2007, 08:22 PM
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Crab in Bird's nest??? Good or Bad?
Hello all,
I just purchased a bird's nest from our LFS and noticed that there is a crab living in it (I haven't put the frag into the tank yet). The crab is red with white circles all over his body. I can't get a good look at his pinchers but am concerned if this could be an evil killing crab? Anyone have any ideas I am off to check Melevs site for an ID as well but anyone with info please help!! |
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#2
05/21/2007, 08:30 PM
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if you see him picking at the coral, you should remove him. If not, and you want to keep him, you could just keep a close eye on him, but remember it will be hard to remove after getting it into your tank.
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*Seize the Moment* |
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#3
05/21/2007, 08:44 PM
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Yeah if he ever got off of the coral he would be about impossible to get out of the tank maybe I will try to get him off and put him in the sump.
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#4
05/21/2007, 08:45 PM
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I think that this is the beast any one have any experiences??
http://www.stephenwong.com/gallery/C...a_rufopunctata |
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#5
05/21/2007, 08:49 PM
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you can try the sps forum someone there might help you
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silicone can be deadly! |
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#6
05/21/2007, 08:54 PM
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I have a red and blue crab that looks much like the one shown on your link. It moves about the three colonies of Pocillopora that I have in my tank. All parties evolved seem happy. I wouldn't worry about it.
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#8
05/21/2007, 10:28 PM
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IME the crabs that are smooth and not hairy do more good than bad in SPS. If it is hairy and dark in color remove it.
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125g~Zoa dominated~SPS~LPS~Clams~GBTA~S. haddoni~Evil Clowns~Tangs~Leopard Wrasse~Starry Blenny~Flame Angel~Purple Firefish~Gobies~Chromis~2xCleaner Shrimp~2xHarlequin Shrimp~Pistol Shrimp |
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#10
05/21/2007, 11:02 PM
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just do a google search on Commensal crabs, neat hitchikers and can be left alone
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"It's a dog eat dog world and I feel like I am wearing milkbone underwear" |
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#11
05/21/2007, 11:26 PM
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Thanks for the info I am going to try him out. The LFS has had that frag in their tank for about 2 months and he has never left that coral so hope for the best. Someone in the SPS forum said that it was probably a Commensal crab as well. Thanks again for the info.
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#12
05/22/2007, 01:39 AM
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If it's really Trapezia rufopunctata you lucked out. As people have suggested it's one of the beneficial commensal coral crabs. These keep their host corals clean of silt & debris & defend them from would-be predators. Some filter feed, eat coral mucus, and perhaps some flesh from coral as well but the amount lost is minimal in comparison to the increased growth the corals experience.
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Cheers, Leslie So many worms, so little time... Natural History Museum of Los Angeles County |
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#13
05/22/2007, 10:14 AM
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I wonder how many people actually looked at your pic.
Usually it's either the typical smooth commensal(great to have) or the hairy one(bad guy) I have never seen yours b4 Looks really cool, hope it's beneficial, and other than really unusual color it does have the look of commensal. That could be a real nice score.
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There's a fine line between owning your tank and your tank owning you! |
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#15
05/28/2007, 07:18 AM
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Probably some kind of "acro crab"
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2 ocelaris 1-1.5", 1 bandaii cardinal, 1 yellow watchman goby 1 pep. shrimp, 10 nas, 1 astrea , 1 cerrith snails Some softys PH 8.1, Alk 11, NH3/4, NO2, NO3 0, Temp 77-79F, SG 1.025 |
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