Anadromous

Anadromous
ascending rivers from the sea for breeding (not resident).
Anterior
front portion.

Anadromous - A fish that is born in fresh water then migrates to a brackish or full salt environment as it grows. Compare Catadromous.
Anaerobic - Existing or active in the absence of free oxygen.
Anal Fin - Fin just behind anal opening.

Anadromous Fish: Fish that spends most of its life feeding in the open ocean but that migrates to spawn in fresh water (e.g., Salmon).

· Anadromous = migratory species, which they migrate from the sea to fresh water bodies for breeding purposes
· Anaerobic = the ones that do not need atmospheric air to live, reproduce, function and thrive ...

What is an anadromous fish? A catadromous fish?
An anadromous fish, born in fresh water, spends most of its life in the sea and returns to fresh water to spawn. Salmon, smelt, shad, striped bass, and sturgeon are common examples.

See also: Water, Freshwater, Population, Marine, Brackish