northern clearwater crayfish, orconectes propinquus in lake superior

scuba dive underwater stream marine wilderness wildlife photography tail sand claw clear aquatic closeup rock bottom habitat lobster northern crustacean freshwater invertebrate antenna shellfish shell crab prawn shore outdoors animal crawfish edible crayfish fish meal seafood pond endemic water nature fresh lake clearwater crawdads crustacea mudbugs munising orconectes propinquus