Metagonimus miyatai is a species of a trematode, or fluke worm, in the family Heterophyidae.

It is a human parasite causing metagonimiasis.

Distribution This species occurs in Japan and Korea.Chai J. Y., Darwin Murrell K. & Lymbery A. J. (2005). "Fish-borne parasitic zoonoses: Status and issues". International Journal for Parasitology 35(11-12): 1233-1254. .

Life cycle The first intermediate hosts of Metagonimus miyatai include freshwater snails Semisulcospira libertina, Semisulcospira dolorosa,Shimazu T. (2002). "Life cycle and morphology of Metagonimus miyatai (Digenea: Heterophyidae) from Nagano, Japan". Parasitology International 51(3):271–280. . and Koreoleptoxis globus.

The second intermediate host include freshwater fish: Phoxinus lagowskii steindachneri, Zacco platypus, Nipponocypris temminckii, Plecoglossus altivelis, Tribolodon hakonensis, and Tribolodon brandtii, Opsariichthys bidens.

Natural definitive hosts are: dogs, red fox Vulpes vulpes japonica, Japanese raccoon dog Nyctereutes procyonoides viverrinus, black-eared kite Milvus migrans lineatus, and humans.

Experimental definitive hosts are: mice, rats, hamsters, and dogs.

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