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01-11-2007, 08:32 AM
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#1 (permalink)
| | Skunk Shrimp
Join Date: Jan 2006 Location: Kenosha, Wisconsin Age: 24
Posts: 260
Karma: 37

| Crazy looking crab showed up today! I was looking in the tank today and this crab jumped out and scared the hell out of me.
Anyone know what kind it is, is it dangerous. It was eating off the shell of a small hermit, didn't try to eat it though.
The crab is about the size of a silver dollar.
I have no idea how it got in, I've never seen it, and I haven't really made any recent additions to the tank. I highly doubt it was hiding in my colt coral.
It's probably been hiding for months now.
Sorry this is the best pic I could take, he was moving in the shadows.
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75 G Display, 12 G Refuge, 12 G sump, 1/10 Chiller, Coralife Skimmer, 300 Watts MH 14,000 K, 356 Watts of Actinic PC Lighting, 120 Pounds of Substrate, 109 lbs of Rock.
Corals: Pumping Xenia, colt, Hammer, 4 misc mushroom groups.
Fish: 2 Ocellaris Clowns, Yellow Tang.
Inverts: turbo snails, astrea snails, tiger striped serpent star, sifting star, skunk cleaner shrimp, sally, red ball sponge, 50 or so hermit crabs |
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01-11-2007, 08:46 AM
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#2 (permalink)
| | Gigas Clam
Join Date: Nov 2004 Location: Carpentersville, IL Age: 52
Posts: 874
Karma: 137
 
| Not a clue, but the rule of thumb is that hairy legs = bad.
Sort of like with girls...  (I can just feel the negative rep coming...  )
On a more serious note, I hope someone else can ID it.
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300 Reef; 325LR, 1/2" sand bed in tank, 3" sand bed in 215 gal sump/refugium and Berliner PowerPro SS twin becket skimmer. 210 Reef; with 225 lbs of LR, 300 lb DSB, Large W/D and Jebo 520 skimmer modified to accept a becket. 90 RR FOWLR; tied into the 300's sump with a closed loop for extra circulation. 55 hospital. |
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01-11-2007, 08:55 AM
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#3 (permalink)
| | Skunk Shrimp
Join Date: Jan 2006 Location: Kenosha, Wisconsin Age: 24
Posts: 260
Karma: 37

| Me too!
Should I try to isolate it, if I can?
I've been looking all over online trying to find out what this thing is.
Oh, my SG is back and everything seems to be ok. Thanks for the algae offer, I'll see if I can swing down there, I'll get back to you. |
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01-11-2007, 09:18 AM
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#4 (permalink)
| | Scooter Blennie
Join Date: Sep 2005 Age: 26
Posts: 1,200
| You can try googling characteristics of this crab (i.e. hairy crab, spiny crab, etc). If you google "hairy crab," you get results resembling your crab, but not sure as the picture is not as good of an image, but pretty clear. Obviously eating algae but most crabs tend to be opportunistic, keep an eye out for that guy and corals.
I've found crabs in my reef that I didn't even know I had as well. I recently discovered I had a shy face crab when I tore down my reef several months ago. It's got really bloodshot red eyes, it's pretty cool.
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30g reef tank, CPR CY192 filter w/ DIY plumb running Rio 17HF return, Coralife 3x 9w UV Sterilizer, 3 24W T5-Helios 10K Daylights/3 24W T5-Helios Blue lights, 2 Logysis blue meteor light strobes (moonlights/24 Blue LEDs).
Tiger tail cuke, asst. snails/hermits, asst. feathers, rainbow acan,zoos,shrooms,bubble,galaxea, asst. shrimp, 2 ocellaris,mandarin,zebrasoma xanthurum,pink-spot watchman,red-striped pistol. |
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01-11-2007, 09:21 AM
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#5 (permalink)
| | Stylophora
Join Date: Aug 2004 Location: Montreal, QC,Quebec Age: 29
Posts: 999
| Im with Blade on this one, looks like some sort of mithrax crab. If you have a fuge stick him in there but i would definitely get it out.
Marc. _________ 
20Gal, 45 lbs LR, 65W PC 10 000K + 65W PC 20 000K + 10Gal sump/fuge
Livestock :hermit and snails, Green star polyps, Button polyps, Finger leather, Xenia, Zoanthids, Mushrooms, Yellow polyps, montipora digitata, acropora, ?mistery polyps?, mistery crab, six line wrasse |
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01-11-2007, 09:28 AM
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#7 (permalink)
| | Skunk Shrimp
Join Date: Jan 2006 Location: Kenosha, Wisconsin Age: 24
Posts: 260
Karma: 37

| Closest image I've seen.
I'm going to get him into the fuge, or try anyway.
Thanks for the help everyone!
I'm still going to see if I can find a better match. |
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01-11-2007, 09:28 AM
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#8 (permalink)
| | KingFish
Join Date: Dec 2000 Location: Pt. Richmond, Ca. Age: 38
Posts: 7,477
| Quote:
Originally Posted by m_lacom99 Im with Blade on this one, looks like some sort of mithrax crab.
Marc. | I agree Marc. Reminds me of my old Emerald crab.
Mine was fairly well behaved and actually helped a bit with valonia. |
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01-11-2007, 09:33 AM
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#9 (permalink)
| | Stylophora
Join Date: Aug 2004 Location: Montreal, QC,Quebec Age: 29
Posts: 999
| Quote:
Originally Posted by Matt Rogers Mine was fairly well behaved and actually helped a bit with valonia. | Yeah so did mine.... until he started eating chunks out of my clown fish. :mad:
Marc. |
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01-11-2007, 09:54 AM
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#10 (permalink)
| | Giant Squid
Join Date: Jan 2006 Location: Meriden, Connecticut Age: 44
Posts: 3,949
| It is an Emerald Crab(MITHRAX)! They have hairy legs as well. They are reef safe! I have three in my tank and they are the size of a Silver Dollar. I've never seen them as big as they are in my tank-but they give me no problem and don't bother any of my livestock or corals! I love these crabs. For some reason, I can't keep Sally Lightfoots alive in my tank, unfortunately as crabs are cool to watch and very unique. _________ 125gal.w/Mag9.5 return(dual megaflow)>Mag7 pump Aqua Cev180skimmer.Wave2k Hamilton Reefstar(2)250watthqi(mh)pend.a Yellow, Naso Tang Red Lip Blenny Percula Clown Demoiselles Niger Trigger F. Wrasses Ceriantharia Orn.Shrimp and Stars Hermits Queen Conch asst. snails> Stars Zoos shrooms Montipora Brains Gorgonians Favia Turbinaria(large+small polyp) Acropora Xenia Tridacna (CroceaMaximaSquamosa) Leathers <35+75gal.reef tank as well>
"IF THE PHONE DOESN'T RING...IT'S ME"  jb |
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