[Studies on the larval trematodes from brackish water fishes: I. Observation of Centrocestus asadai Mishima, 1959].

1. Metacercariae of Centrocestus species were found from a brackish water fish, Tribolodon taczanowskii Steindachner in the downstream of Hyungsan river. 2. Thirty one fishes out of 154 examined (31.8 per cent) were infected with the metacercariae of Centrocestus. sp. 3. Metacercariae were fed to the mouse experimentally and adult worms were recovered from the intestinal mucosa. And they were identified C. asadai Mishima and compared with the prereported Centrocestus sp.