emerald crabs
Printed From: Utah Reefs
Category: Specialized Discussion
Forum Name: Invertebrates
Forum Description: This is the place to ask questions about invertebrates.
URL: http://www.utahreefs.com/forum/forum_posts.asp?TID=28434
Printed Date: August 04 2025 at 11:20pm
Software Version: Web Wiz Forums 12.03 - http://www.webwizforums.com
Topic: emerald crabs
Posted By: kdinkel
Subject: emerald crabs
Date Posted: October 01 2008 at 11:46am
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I have had one in my tank before and didn't have an issue but I am just double checking. I have read that they are reef safe, but I have also read some stuff mentioning that they eat fish? Anyone have any experience with this? I am planning to add 3 to my 150. ------------- 29 gallon reef |
Replies:
Posted By: Aquaristnewbie
Date Posted: October 01 2008 at 12:04pm
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I have always had at least one in my tank with no problems. I have heard they may eat corals and fish if they do not have enough food but never have had it happen to me. ------------- 150 gallon Reef Millcreek Utah |
Posted By: Debbles
Date Posted: October 01 2008 at 12:05pm
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I have one in my 75 gal. It hasn't bothered any of my fish. I have a clown goby that sits right next to it and it doesn't bother it at all. Everything I have read on them says they get along with other tank inhabitants. They are actually a good addition to your clean up crew.
Deb  ------------- Yes Mikey...I still have fins!!! |
Posted By: larhalli
Date Posted: October 01 2008 at 12:08pm
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I love emerald crabs, they are a fun crab to have in your tank. I did notice them picking at everything and that my pod, hermit crab and snail populations went down while having them in my tanks. Never lost a fish. I think they may be prone to starving to death however if they don't have enough to eat. They seem to move slower than most things and love to stay hidden. When I put two in the same tank they did not seem to get along.
------------- Larry Halliday West Jordan |
Posted By: KludgeGuru
Date Posted: October 01 2008 at 4:05pm
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I had a couple and they did great but they did eventually starve. I've read that you can feed them by rubber banding a piece of seaweed to a rock at night when all the fish are asleep. I tried it when I thought mine was starving but it was too late. Eventually I'll get a couple more but this time I will attempt to feed it regularly. Starving might not be a problem if you have a good supply of greens in your tank but I have Rabbitfish & tangs that demolish any macro algae in my display. -Rocks |
Posted By: kdinkel
Date Posted: October 01 2008 at 4:16pm
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Thanks for the input. I have plenty of greens right now so I think I will go ahead with the order. ------------- 29 gallon reef |
Posted By: Mike Savage
Date Posted: October 01 2008 at 5:02pm
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I've had good luck with them too. I have more Emerald crabs than I have fish.
Mike -------------  |
Posted By: Mark Peterson
Date Posted: October 01 2008 at 6:38pm
They only eat fish if the fish was dead or dieing. They can't catch fish otherwise. I have 2 in my 75. ------------- Reefkeeping Tips, & quick, easy setup tricks: www.utahreefs.com/forum/forum_posts.asp?TID=9244 Pay it forward - become a paid WMAS member 
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kdinkel wrote:Posted By: kdinkel
Date Posted: October 02 2008 at 9:34am
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As always, thanks for the advice. ------------- 29 gallon reef |