Anadromous \ə-ˈna-drə-məs \ and Catadromous \kə-ˈta-drə-məs \ adj The terms anadromous and catadromous refer to birthplace and spawning migration patterns of species. Rinella: “The classic anadromous fish is a salmon.” For the full collection of the MeatEater Glossary, where you’ll learn everything from the technical to the arcane, go to the Glossary Page.