european crayfish astacus astacus

aggressive also animal aquarium armour astacidae astacus background biology boiled broadfingered caspian chitin claw closeup cooked cooking countryside crab crawfish crayfish crayfishes crustacea crustacean delicatessen eating european fauna fingered fishing food fresh freshwater habitat invertebrate known lake leptodactylus live meal natural nature noble organic prepared rare river shellfish stream underwater white wild wildlife