Stock footage video of of Pacific Lampreys underwater hanging on to the glass with their strong sucking mouths

lampreys tridentate lamprey eels fish ladder underwater footage dorsal fins long jawless fish fish elongated bodies underwater freshwater petromyzontidae elongated body pacific suckers species lifecycle ecosystem rhythmic filter feeding anadromous movement life cycle teeth biology creatures lakes classification coastal animals migratory animals scaleless life patterns threetooth jawless habitat parasitic research close up micropredatory mouth gills metamorphosis clusters sucking stone licker oregon spawn