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Procambarus acutus
Large (approx. 5 in.), reddish crayfish burrowing in mud by pond
I occasionally see these in the campus pond at the University of Massachusetts. I came across this one excavating a burrow in the mud.
they both have the red tubercles, but P. clarkii isnt native to Massachusetts as far as i am aware.
Thanks for the ID suggestion. Do the bright red tubercles on the claws suggest Procambarus clarkii instead of P. acutus? I have no real familiarity with ID'ing crayfish so I'm grateful for anything knowledgeable folk can tell me.