State of Mi. Crayfish Species Checklist

I'll add some pictures of the Michigan species.

There are 5 primarily water-dwelling species of crayfish in Michigan.

Orconectes virilis, Orconectes propinquus, Orconectes immunis, Cambarus robustus, and the invasive Orconectes rusticus.

I have trapped 4 of the 5 right in west Michigan (all but Orconectes immunis.)

Here are some of my personal photos:

Orconectes virilis (Northern Crayfish)

Cambarus robustus (Big Water Crayfish)

Orconectes Propinquus (Northern Clearwater Crayfish)

Orconectes rusticus (Rusty Crayfish) Invasive species

There are also 3 primarily burrowing species of crayfish in Michigan, but they aren't likely going to be caught with this kind of trapping.

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State of Mi. Crayfish Species Checklist