fresh river lampreys on metal grill grates

bloodsucking traditional bloodsucker freshwater vertebrate unpleasant parasitic brookfood undefined lampreys lampetra organism delicacy valuable isolated horrible plastic latvian cuisine lamprey habitat fishing planeri seafood monster product vampire protein grates yellow bucket caught common baltic latvia grisly sucker animal season shadow fresh river metal grill teeth tasty snake awful gills white food fish body long gray sea raw fin