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Old 11-02-2004, 03:55 PM   #1
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Hermit crab mortality?

Hey guys,

I did a quick check of my hermit crab population this morning and I could only find about 7 of the 12.

could something be killing them? what are some normal causes of blue-legged hermit crab death. also, is it possible that they would dissapear inside the LR never to be seen again?

I know the answer is rather "vauge" but any ideas would be a help.


Hardware: 37 gallon SW tank and stand by Oceanic Systems, Magnum 350 Pro Canister Filter (half carbon), CPR Bak Pak 2R skimmer, Maxijet 1200 Powerhead, RenaCal 150 W heater, Compact fluorescent lights with moonlights. 40 lbs of liverock, 3" sand bed.

Software:2 Tank-Raised Ocellaris Clowns, 1 Purple Firefish, 1 Electric Orange hermit crab, 18 Blue Legged hermit crabs, 8 or so Nassarius snails, Xenia, Blue, green, and Green Striped Mushrooms.

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Old 11-02-2004, 07:44 PM   #2
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They are homicidal. If there isn't enough detritus and algae to sustain them they will kill each other. Don't worry they just balance their own population.

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Old 11-02-2004, 08:27 PM   #3
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i was told that blue legs dont live that long. i have also counted and recognize their different shells. sometimes i dont see one for a couple of days and then he appears again. i have also noticed they change shells with emptys and then change back

75g RR. 2x250 14k MH / 2x54 T5 act. 29g sump. ASM G1X skimmer. phosban reactor. 80lbs LS, 90lbs LR, 2x seio M620.
kole tang, bicolor angel, mandarin dragonette, ocellaris clown / BTA , cleaner shrimp, 2x peppermint shrimp, a variety of soft, SPS, and LPS corals, orange linckia star.
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crab, hermit, hermit crab

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