Crossword clues for Migrating fish. 3 lettersAnswerClueEELMigrating fish.RUNMigrate like fishWEIRPotential hindrance to fish migrationRUNSFish migrationsDAMSConstructions that might disrupt fish migrationSHADMigrating fishSHADFish that migrates from seawater to freshwater and backELVERYoung fish that has migrated from the Sargasso SeaHALIBUTFish whose left eye migrates to its right side as it ages (!?)