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Aquarist Forums => Saltwater General Discussions => Fish / Invertebrates => Topic started by: Fortix on June 26, 2012, 08:14:16 PM

Title: Black Emerald Crab
Post by: Fortix on June 26, 2012, 08:14:16 PM
Caught this guy in my tank today.  Haven't seen my emerald in months!  This guy is huge now!

(https://www.ovas.ca/forum/proxy.php?request=http%3A%2F%2Fimg221.imageshack.us%2Fimg221%2F7836%2F021mxr.jpg&hash=0bf05428db6a88b8f1c46577c61499323334eac8)
Title: Re: Black Emerald Crab
Post by: Dakotamay on June 26, 2012, 08:53:08 PM
We have one that looks exactly like that. We banished ours to the sump since we didn't know what he was and if he might be predatory of our smaller fish and shrimps.  ???
Does anyone know if this guy is safe? or does he need to continue living out his days in our sump?  He's set up pretty nice down there really lol. 50 gal with 80lbs of live rock all to himself.
Title: Re: Black Emerald Crab
Post by: JetJumper on June 26, 2012, 08:59:20 PM
Red eyes = Evil!!!
Title: Re: Black Emerald Crab
Post by: Fortix on June 26, 2012, 09:08:07 PM
Zero loss of shrimp or fish.  Lost a few snails, but that could be for a number of reasons.  Corals untouched as well.

We'll see in another few months when he pops out again...
Title: Re: Black Emerald Crab
Post by: ihavecrabs on June 27, 2012, 10:47:59 AM
This is not a black emerald crab.  Get that out of your tank.  I got one on a piece of lr.  He is now in the refugium, doing fine.  This is not a reef friendly crab.
Title: Re: Black Emerald Crab
Post by: jee on June 27, 2012, 11:05:37 AM
Quote from: JetJumper on June 26, 2012, 08:59:20 PM
Red eyes = Evil!!!
Hahahahaha+1
Title: Re: Black Emerald Crab
Post by: Greatwhite on June 27, 2012, 02:40:11 PM
Quote from: jee on June 27, 2012, 11:05:37 AM
Hahahahaha+1

Red eyes = evil is actually part of how I determine if crabs are good/bad guys.  Red eyes, and sharp claws = bad... red eyes and round claws = maybe good?  no eyes and NO claws - probably a rock.
Title: Re: Black Emerald Crab
Post by: Fortix on June 27, 2012, 08:47:55 PM
Hmmm, maybe you guys are right.  Not sure how I'd catch him though.  This would be the first time I see it in 2 and a half years if it's not my emerald crab...
Title: Re: Black Emerald Crab
Post by: ihavecrabs on June 28, 2012, 02:41:16 PM
Definitely not a emerald crab.  The one you have is called Actaeodes tomentosus i believe.  Some will also call them gorilla crabs.   But they only come out at night normally.  Have you thought of making a trap.  I think they mostly prey on sps corals.   
Title: Re: Black Emerald Crab
Post by: Fortix on June 29, 2012, 06:01:37 AM
Caught him on the first attempt!

Doesn't look so big in the glass.

I'll get another pic before my friend grabs him to put in his sump.
Title: Re: Black Emerald Crab
Post by: Fortix on June 29, 2012, 07:48:29 AM
He's shy...   :)

(https://www.ovas.ca/forum/proxy.php?request=http%3A%2F%2Fimg441.imageshack.us%2Fimg441%2F8370%2Fcloseupq.jpg&hash=29bdaca566084ace26e7a885d2960f4b3c5ebfa7)
Title: Re: Black Emerald Crab
Post by: ihavecrabs on June 29, 2012, 10:41:49 AM
Good work
Title: Re: Black Emerald Crab
Post by: Vincenzo. on July 15, 2012, 07:26:52 PM
Bad. Toss