brook lamprey lampetra planeri

animal bloodsucker bloodsucking brook brookfood clean closeup creak delicacy disk environments european exclusively fauna fish fishing food frashwater freshwater gravel grilled habitat holding inhabits lampetra lampray lamprey lampreys larvae metamorphosis mountain organism parasite parasitic petromyzon photogaphy planeri river rod sand seafood season shoot smoked snake spawn species stream sucking that transformation undervater underwater