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

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