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Unread 03/21/2007, 09:56 AM   #1
Lion_Babe
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Question Help ID this crab please!

This crab I got at the LFS and they have no clue about it. It hides in the sand until it eats. So far it is eating mysis shrimp. I would like to know what it is so I can put it in the right tank. Please help.

Thank you!!


It has purple spots.
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Unread 03/21/2007, 09:58 AM   #2
dc_909
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Is that reef safe?


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Unread 03/21/2007, 10:00 AM   #3
Lion_Babe
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I have no clue if it is reef sfare. That is one of the other reasons I want to find out what it is. I currently have it in with two lionfish, a grouper, a betta, a decorator crab, snails, two stars, and corals. It doesn't bother anything in the tank so far.


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Unread 03/21/2007, 10:10 AM   #4
Travis L. Stevens
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I'm not sure what type it is, but it is a swimming crab of some sorts. The last pair of legs are modified into flippers. I would doubt that it is reef safe.


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Unread 03/21/2007, 10:13 AM   #5
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It will sometimes "Swim", but looks funny doing so.


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Unread 03/21/2007, 10:46 AM   #6
Travis L. Stevens
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I never said that they would win an olympic gold medal


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Unread 03/21/2007, 11:02 AM   #7
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It looks as if all the legs are mod'd to flippers, maybe I'm just looking at the picture all wrong...it also seems to be missing front pincher claws or are they tucked up at the body somewhere?

I agree that it's pretty cool looking, but crabs are trouble eventually. Sooner or later everybody seems to post a question on how best to catch one


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Unread 03/21/2007, 11:05 AM   #8
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What a cute little thing. It's a shame they become trouble makers in reef tanks.


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Unread 03/21/2007, 11:11 AM   #9
Minhle100
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yes i agree with jokergirl...it is a shame face. they are normally more yellow than the gray in your picture. they are ok when little but will kill things when larger.

he looks good.


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Unread 03/21/2007, 11:13 AM   #10
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ive seen them before. the legs actually dont help them swim but help them dig


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Unread 03/21/2007, 11:19 AM   #11
Travis L. Stevens
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Quote:
Originally posted by barbra
It looks as if all the legs are mod'd to flippers, maybe I'm just looking at the picture all wrong...it also seems to be missing front pincher claws or are they tucked up at the body somewhere?

I agree that it's pretty cool looking, but crabs are trouble eventually. Sooner or later everybody seems to post a question on how best to catch one
The rear legs are modified into flippers. The other legs are flattened so that when they are tucked in, it makes a nice compact profile making it difficult for a predator to rip a leg off for a meal. The front claws are tucked in.


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Unread 03/21/2007, 11:20 AM   #12
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His pinchers are against his body. He does dig better than he swims. lol

More yellow in color? Hmm. Under the tank lights he is very white with bright purple spots. I put him in the dish to take a pic to see him better. I might have one of him in the tank. I will post that later.


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Unread 03/21/2007, 11:33 AM   #13
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It seems like it might be from the Family Matutidae, but I'm still looking.


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Unread 03/21/2007, 11:36 AM   #14
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I think I found your crab!
http://www.ciesm.org/atlas/Ashtoretlunaris.html


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Unread 03/21/2007, 11:37 AM   #15
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Thank you for helping me with this Mr. Stevens. It means a lot to me. I looked all night the other night and got too tired so I gave up. lol

Here are two more pics of it in the tank. Don't yell too much about the blue sand.

The lionfish is a camera hog...
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Unread 03/21/2007, 11:43 AM   #16
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Oh my!!! I think you did find it! THANK YOU SO VERY MUCH!!!



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Unread 03/21/2007, 12:08 PM   #17
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It is also called a Moon crab!


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Unread 03/21/2007, 08:10 PM   #18
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after about 1 hour of researching LOL i think the crab is a Matuta lunaris
http://www.conchology.be/en/cybercon...umber=225738#f


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Unread 03/21/2007, 08:16 PM   #19
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I really really like that blue sand!!

Full tank shot please!


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Unread 03/22/2007, 06:16 AM   #20
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Cool crab.



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Unread 03/22/2007, 07:56 AM   #21
Lion_Babe
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Quote:
Originally posted by Paintbug
after about 1 hour of researching LOL i think the crab is a Matuta lunaris
http://www.conchology.be/en/cybercon...umber=225738#f
Thank you so much. That sure is the little guy...or girl. You rock.



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Unread 03/22/2007, 08:02 AM   #22
Lion_Babe
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Quote:
Originally posted by omni2226
I really really like that blue sand!!

Full tank shot please!
I wish I would have seen this an hour ago. I moved everything in the tank and it is all ****ed off looking. lol. I will be posting a full tank shot soon....later today or tomorrow.

I am also using colored sand in my 180g. My hubby thinks I am nuts. I have true black at one end and then blue from the black to the middle where the white starts. Sure, some of it mixes together, but I love the way it looks.

In the tank with this crab I have mostly blue with a bit of pure white and true black mixed all together.



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Unread 03/22/2007, 08:59 AM   #23
Travis L. Stevens
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Quote:
Originally posted by Paintbug
after about 1 hour of researching LOL i think the crab is a Matuta lunaris
http://www.conchology.be/en/cybercon...umber=225738#f
I looked up Matuta crabs, and I didn't find that one. I guess you found something in a different area than me Good find....Moon Crab....I'll have to remember that.


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Unread 03/22/2007, 09:57 AM   #24
DouglasTiede
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it is strange that these web links make it sound like it is rare and only located in one part of the world and yet at the same time they make it sound common? Any one else get that feeling when searching for it.


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Unread 03/22/2007, 10:05 AM   #25
Travis L. Stevens
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Quote:
Originally posted by DouglasTiede
it is strange that these web links make it sound like it is rare and only located in one part of the world and yet at the same time they make it sound common? Any one else get that feeling when searching for it.
I think links for research are the rare thing to find.


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