ヤツメウナギ科かMeanings1nounPetromyzontidae; lamprey familyTaxonomic family name for parasitic lampreys. Used in biological contexts.ヤツメウナギ科かの魚さかなは世せ界かい中じゅうの淡たん水すい域いきと海かい域いきに分ぶん布ぷしている。Fish of the family Petromyzontidae are distributed in freshwater and marine environments worldwide.
