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Old 06-11-2014, 09:46 PM   #11
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Is every other day enough?
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Old 06-13-2014, 04:24 PM   #12
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I would think so.
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Old 06-14-2014, 03:53 AM   #13
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In my experience emerald crabs are way too slow to catch a healthy fish. Ive seen them swipe at fish before but they just srent fast enough. So im leaning towards the fish were already dead and the crab was doing what it does... Cleaning up.
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Old 06-30-2014, 08:21 PM   #14
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Emerald crabs are primarily algae eaters. I have read that if you start allowing them to eat a lot of meaty foods, there is a good chance they will develop a taste for your fish as well.
I feed mine the Hikari sinking algae tabs and he loves them. I break one up into thirds or quarters and give him a piece on long tweezers and he takes it right from me and chows down. When it starts to soften he packs his legs with it and will go hide, relax and enjoy a meal.
The hermits love those tabs also.
He also chows on the chaeto algae like spaghetti.
Were you making sure he had plenty of greens in his diet?
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Old 07-01-2014, 09:18 AM   #15
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i'm a newbie here but have enjoyed emerald crabs for years. i have seen them wrestle with snails over food but never fish. i have a flame hawkfish who ocaissionally will sit on one to catch his breath (that lack of swim bladder thing). that doesn't go to well . how is tank temp. maybe o2 depletion?
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Old 07-04-2014, 06:23 PM   #16
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As long your feeding them they won't harm your tank. They are nocturnal and will eat corals left starving . I had two emeralds. Killed my frags.


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Old 07-04-2014, 06:27 PM   #17
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Actually, feeding them or not, it's a crap shoot either way. Though I haven't witnessed mithrax crabs eating more than invasive soft corals, all crabs are opportunistic feeders and can be predatory.
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