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

[2] The first intermediate hosts of Metagonimus takahashii include freshwater snails Semisulcospira coreana[2][3] and Koreanomelania nodifila.

[2][3] The second intermediate host include freshwater fish: crucian carp Carassius carassius, common carp Cyprinus carpio, and Tribolodon brandtii.

[2][4] Experimental definitive hosts are: mice, and dogs.

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