Usage of Anadromous, Catadromous and Allied Terms for Migratory Fishes

HE adjectives anadromous and catadromous are in common use by ichthyologists and biologists in general for fishes which migrate from salt to fresh water or from fresh to salt water to breed. However, this widely understood usage of these terms has been far from universal. Alexander Meek (1916), in the most important general work in English on fish migration, vastly broadened the scope of these terms by applying anadromous to any upward or...