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OT - My Newest Non-Herp Additions

Posted by Sonja K. at 2/12/2014 10:57:56 AM

I picked these three girls up a few days ago. How do I know they are girls, you ask? Because when it comes to this species, they all are! They are Marbled Crayfish, also known as Marmokrebs (Procambarus fallax f. virginalis), and they are self-cloning. They reproduce by parthenogenesis.

From my research to this point, their color is at least somewhat influenced by their diet.

So far my boys, the daycare kids, and I are really enjoying them and looking forward to learning more about them and watching the process in how they reproduce.

The three I have are all approximately 2 inches. They generally start to reproduce at around this size. The person I purchased them from says hers have grown to be 5 to 6 inches. In my research, though, I'm finding reference to adult size to be more like 3 to 4 inches. I guess time will tell how big mine will get. They are said to have an average life span of 2 - 3 years.

Because of their "potential" to become an invasive species, the state of Missouri placed them on their list of prohibited species, but as far as I know, that is the only state where they are not allowed.

 Comments: View Oldest First  

Posted At: 2/12/2014 11:24:07 AM  

Cool little guys... Um I mean gals 

Valerie ,
Posted At: 2/12/2014 11:27:16 AM  

So cute! It reminds me of one I caught from the bay.  It started off the same colour but turned orange a year later. I hope you post updates if their colours change :)

Sam Fredericks,
Posted At: 2/12/2014 11:42:06 AM  

Very cool, the self coloning is amazing. 3-4 inches is more accurate for adult size. Be warned some people end up with hundreds lol

Posted At: 2/12/2014 11:49:16 AM  

I think they all turn orange when you cook them 

Sonja K. ,
Posted At: 2/12/2014 12:00:38 PM  

Thanks all!

Sam... I do have a tank with an 11 inch Oscar and a Jaguar Cichlid that is close to 10 inches, too... 

Sonja K. ,
Posted At: 2/12/2014 12:15:23 PM  

I didn't get them as a source of food, but if the numbers would get out of control, I know I do have that option. I would try to rehome them first, though.

Psycho Dragon,
Posted At: 2/12/2014 12:52:11 PM  

I have a tank you can rehome some into.

Sonja ,
Posted At: 2/12/2014 1:06:38 PM  

What do they eat?

Sonja K. ,
Posted At: 2/12/2014 1:32:35 PM  

They are scavengers, so likely most anything. The seller I got them from recommended HBH Crab and Loster Bites.

Posted At: 2/12/2014 1:37:58 PM  

I've been reading more about these things... Very interesting...amazing that they are all clones of each other?  Then every animal should have come from one single animal some time ago?  Mind boggling...

George H. Wessel VII,
Posted At: 2/12/2014 2:53:18 PM  


Michael Caine,
Posted At: 2/12/2014 4:03:24 PM  

Very nice. I've always liked crayfish.

Michael ,
Posted At: 2/12/2014 4:32:44 PM  

Rock lobster !!!  na na na dun dun dun .............................

Sarah Auzina,
Posted At: 2/12/2014 5:52:32 PM  

Oh they're cute! I am partial to anything blue though.

Cynthia Chaplin,
Posted At: 2/12/2014 7:22:19 PM  
NEAT. I saw some of these guys for sale a few years ago. I'm really bad at anything aquatic or I would have picked some up!

Sam Fredericks,
Posted At: 2/12/2014 9:02:11 PM  

That works too, my Africans would make quick work of them too.

Sam Fredericks,
Posted At: 2/12/2014 9:03:15 PM  

Im amazed they are so blue, usually the self cloners are brown, even with diet they turn redish at most.

Sonja K. ,
Posted At: 2/12/2014 10:13:33 PM  

Well, I guess that settles it. I should just keeping feeding them the same as she did because I am digging the blue! 

Which version you singing, Michael? 

Bethany ,
Posted At: 2/12/2014 10:50:02 PM  

If only we had some of THOSE out in the creek! Congrats on your new additions, Sonja!

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