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Old 07-08-2013, 06:56 PM   #1
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Emerald and Porcelain Crab

I have had an emerald crab and a porcelain crab die in my tank in the last few months. Nothing else has died. I have fish, hermit crabs, snails, shrimp, starfish, worms, and coral do just fine. But for some reason the only thing that has died are those two crabs.

All of my parameters are just right with low nitrates. Any idea why this may be happening?
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Old 07-08-2013, 08:22 PM   #2
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What is your salinity / temperature at?
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Old 07-09-2013, 12:19 AM   #3
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Salinity has been 1.025 and the temp has been 78.
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Old 07-09-2013, 01:02 AM   #4
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how did you acclimate the crabs
they cant handle big parameter changes
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Old 07-09-2013, 01:13 AM   #5
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I did a drip acclimation on the porcelain crab and the emerald crab was just floating the bag. The crabs both lived at least a month and a half.
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Old 07-09-2013, 12:28 PM   #6
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were they getting enough food

did you do anything different to your tank before you found them dead
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Old 07-09-2013, 12:35 PM   #7
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Maybe they weren't getting enough food. There is bubble algae that the emerald crab never ate. I put Kent Microvert in the tank to feed the filter feeders. There is obviously enough food for the hermits and snails to survive.
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Old 07-09-2013, 12:37 PM   #8
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How much time was between their deaths?
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Old 07-09-2013, 03:22 PM   #9
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Probably one month.
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Old 07-09-2013, 03:26 PM   #10
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Ahh. It's hard to say then, it's most likely two different reasons that they died. What fish do you have? They might have been killed while molting.
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