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03-02-2007, 09:09 AM
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#1 (permalink)
| | Sea Dragon
Join Date: Mar 2006 Location: Kalispell, MT
Posts: 533
Karma: 47
 
|  My horseshoe crab played dead?
About a week ago I was wondering why I was having some cyano problems. I moved some rock out of my 75 to go in my pico and when I lifted a rock my horse shoe crab floated up. But his shell was just about clear and it looked like his legs and body were starting to decay. It got quickly swepted away and stuck in a hard to reach spot. So I figured that I would just go and breakdown that part of the tank tomorrow. I never got around to getting it out(I know thats bad). But to my amazement this morning he was pushing around sand when I fed the tank. WTF I totally thought he was dead! _________ Senior Noob Setting my 75 back up soon Main SW Tank:
55gal, 70LBS of Tonga/LFSDIY, 50lbs LS, 1x250watt MH(20k), AquaC Remora Skimmer Live stock: Velvet Damsel, (12)Blue legged crab, lawnmower blenny, (1)cleaner shrimp, Yellow Tang, Featherduster CoralsRandom Zoo's(like 10), more zoo's,red mushrooms and hairy mushrooms, Sinularia | 
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03-02-2007, 10:10 AM
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#2 (permalink)
| | Giant Squid
Join Date: Nov 2004 Location: Los Angeles, California Age: 20
Posts: 3,378
  
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Sounds like the little bugger was just playing dead.
Edit: Erm...i mean that he molted hah...just realized i put my little funny in but not the actual info. XD _________ Tank Specs:
55 Gallon Mixed Reef
48" Tek Light: 4-54W T5 HO Fluorescents
Bulbs:
1x 54W Blue Plus T5 HO Fluorescent, 1x54w Super Actinic Blue 03 T5 HO Flourescent
1x 54W 12000K Aquablue Special T5 HO Fluorescent, 1x 54w 10000k AquaSun T5 HO Fluorescent
100 lbs Fiji Live Rock
65 lbs Live sand
Last edited by Bruce : 03-02-2007 at 02:39 PM.
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03-02-2007, 10:24 AM
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#3 (permalink)
| | Feather Duster
Join Date: Jan 2007 Location: Williamsville, NY
Posts: 249
Karma: 151
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The crab molted. What you thought was the dead crab was infact the old body. | |
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03-02-2007, 10:32 AM
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#4 (permalink)
| | Giant Squid
Join Date: Jan 2006 Location: Meriden, Connecticut Age: 43
Posts: 3,865
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Ditto with what glampka said!!!!! _________ 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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03-02-2007, 11:58 AM
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#5 (permalink)
| | Gigas Clam
Join Date: Oct 2003 Location: Miami,Florida Age: 20
Posts: 864
 
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Lol, Its Aliive!!! _________ *Since 12/2002 40 gal. 85 lbs live rock. 3" fiji Live sand.wet dry filter and prizm protein skimmer. 192 power compacts
*Since 10/2006 125 gal. Built in Overflows x2, 3" LS(165 lb fiji pink) 175 lb of LR, 2x 36" aquatinics T5 HO fixtures(10x39W bulbs 2 gliesman aquablue+1 gliesman actinic+2 ATI aquablue special), mag 18 return pump, PM R30fuge. AquaC EV 180 skimmer.
**Working on CL with 2 4mdqx-sc little giants and a OM Super Squirt.  | |
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03-02-2007, 02:16 PM
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#6 (permalink)
| | Sea Dragon
Join Date: Mar 2006 Location: Kalispell, MT
Posts: 533
Karma: 47
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Weird...So he has a new shell too? | |
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03-02-2007, 02:57 PM
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#7 (permalink)
| | Blue Ringed Angel
Join Date: Sep 2003 Location: St. Louis
Posts: 1,570
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Yup....
The exoskeletons of crabs, shrimp, stomatopods, etc. are an exact replica of the old animal. They grow a new shell under the current one and then break the old one and "walk out of their skin". Then you might no see the crab, shrimp, or stomatopod for a couple of days because their new shell takes a few days to fully harden. They know they no longer have their "suit of shining armor" and they will typically hide until it's hard enough for protection again. _________ Curt  | |
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