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  #1  
Old 11/20/2007, 10:53 PM
ZACK007 ZACK007 is offline
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Join Date: Aug 2007
Location: Atlanta
Posts: 28
Need ID please:(pics inc)

Found this little fella this afternoon...He is about the size of a quater. So far he has only picked at rocks.. But i 'd like to find out if i need to remove him. Any ideas?


  #2  
Old 11/20/2007, 11:11 PM
bufu11 bufu11 is offline
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Location: st.catharines
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need better pics of the claws, if the tips are rounded they it i probably an emarld crab, better pics will help tho
  #3  
Old 11/20/2007, 11:32 PM
PJSEA PJSEA is offline
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It could possibly be an emerald mithrax crab. A clearer pic would help.
Here's a site with pics of cleanup crew and hitchhikers that may help identify it:
http://www.pbase.com/donnar/janitorial
  #4  
Old 11/22/2007, 10:51 AM
mscarpena mscarpena is offline
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Looks like an emerald to me
  #5  
Old 11/22/2007, 10:57 AM
Sk8r Sk8r is offline
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Location: Spokane WA
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Looks like mithrax species...
If you have any doubt, let him clean the sump.
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  #6  
Old 11/22/2007, 08:58 PM
LeslieH LeslieH is offline
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Location: Los Angeles, CA
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Come on guys, look at the body shape - that''s not a Mithrax. Unfortunately the picture's only good enough to know what it isn't, not what it is. The fact that it's picking at the rocks rather than immediately going after other critters is a good sign. If you decide to leave it in your main tank just keep an eye on it & your corals to make sure everything stays okay.
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  #7  
Old 11/22/2007, 10:21 PM
Guygettnby Guygettnby is offline
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Join Date: Apr 2007
Location: MD
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that is not a mithrax crab. looks more like a gorrila crab or i guess a type of Xanthidae Crab. i have like 4-5 of these guys in my feeder tank for my mantis shrimp. i get them for about $1 at my LFS.

but to be certain a claw picture would be great.
  #8  
Old 11/23/2007, 09:59 PM
ZACK007 ZACK007 is offline
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Join Date: Aug 2007
Location: Atlanta
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there are at least 2 of them in that same rock. I left a piece of shrimp next to the rock they hide in and they did not touch it
I will attempt better pictures and post them as soon as I can.
  #9  
Old 11/26/2007, 08:57 PM
ginger7286 ginger7286 is offline
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Could be a small stone crab, the color is right.
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