Yada, Takashi Prolactin and upstream migration of the amphidromous teleost, ayu Plecoglossus altivelis. [electronic resource] - Zoological science Aug 2014 - 507-14 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0289-0003 Standard No.: 10.2108/zs130181 doi Subjects--Topical Terms: Animal Migration--physiologyAnimalsGene Expression Regulation--physiologyOsmeriformes--physiologyProlactin--physiologyRNA, Messenger--geneticsRivers