marble crayfish sitting at a stone in an aquarium

abdomen animal antenna antennae aquarium aquatic armour bottom claw closeup crab crawfish crayfish crustacea edible fallax fish fishbowl fresh freshwater lake lobster marble marbled marmorkrebs nature offspring parthenogenesis pest pincer pond prawn procambarus procarambus ripple rock seafood shell shellfish shore stream tail tank thorax underwater virginalis water wild wilderness wildlife