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Crayfish ID Help


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#1 AllenB

AllenB
  • NANFA Guest

Posted 05 August 2016 - 08:26 AM

Hello,

 

I am an invertebrate biologist from New Jersey working primarily with insects and freshwater mussels. While conducting surveys at a Lake in Warren County I encountered a large (approx. 3.5" long) bright red Crayfish. It was extremely aggressive. I am no expert on Crayfish but fairly familiar with the few species currently documented in New Jersey. With only a mediocre photo taken with my phone I have done some research after a fashion. I have tentatively ID'd this as Procambarus clarkii. If there are any Crayfish experts reading this I would be grateful for your thoughts and insights. This species is not on any of our official list.

 

Many thanks,

 

Allen Barlow

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#2 gerald

gerald
  • Global Moderator
  • Wake Forest, North Carolina

Posted 05 August 2016 - 08:36 AM

P. clarkii is a very likely suspect, and the photo looks consistent with that species.  They're the most popular species for farming and cooking in USA.


Gerald Pottern
-----------------------
Hangin' on the Neuse
"Taxonomy is the diaper used to organize the mess of evolution into discrete packages" - M.Sandel


#3 Matt DeLaVega

Matt DeLaVega
  • Forum Staff
  • Ohio

Posted 05 August 2016 - 08:55 AM

I have found clarkii in a stream in Ohio that has a fish hatchery on it. I would not be surprised to see them almost any place.


The member formerly known as Skipjack


#4 CowBoYReX

CowBoYReX
  • NANFA Guest
  • Trenton, FL

Posted 05 August 2016 - 03:43 PM

From the lack of an areola between the two carapace plates I'd say it's most like P. Clarkii




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