Andrew Hoffman:
Cambarus polychromatus (Paintedhand Mudbug) - Female
Andrew Hoffman:
Orconectes sp (Crayfish) - Female with eggs
Andrew Hoffman:
Cambarus tenebrosus (Cavespring Crayfish) - Female
Andrew Hoffman:
Crayfish Gonopods
Andrew Hoffman:
Cambarus sp (Burrowing Crayfish)
Andrew Hoffman:
Fallicambarus fodiens (Digger Crayfish)
Andrew Hoffman:
Cambarus tenebrosus (Cavespring Crayfish) Female
Andrew Hoffman:
Cambarus tenebrosus (Cavespring Crayfish) Form I Male
Andrew Hoffman:
Bristly Cave Crayfish (Cambarus setosus)
Andrew Hoffman:
Oronectes longidigitus (Longpincered Crayfish)
Andrew Hoffman:
Procambarus gracilis (Grassland Crayfish)
Andrew Hoffman:
Crayfish sp
Andrew Hoffman:
Cambarus monongalensis (Blue Crayfish)