Definition of anadromous in English:
anadromous
adjectiveəˈnadrəməsəˈnadrəməs
Zoology (of a fish such as the salmon) migrating up rivers from the sea to spawn.
The opposite of catadromous
Example sentencesExamples
- Chinook Salmon are anadromous, making great migrations out to the deepest parts of the ocean and returning as mature adults to their natal streams.
- For example, the anadromous osmerids typically spawn in shallow water.
- Pacific salmon are anadromous (sea-run) fish that migrate from freshwater to the ocean and then back to freshwater to spawn.
- Unlike lampreys, salmon, and other anadromous fish, which migrate from the ocean to fresh water to breed, eels head in the opposite direction.
- Although most representatives of the species are of the inland form, some populations of bull trout are anadromous and can co-exist with dolly varden char along the coast.
Origin
Mid 18th century: from Greek anadromos (from ana- 'up' + dromos 'running') + -ous.