Migratory aquatic species

Contents of this page:

· Information & data

· International organizations

· Government pages

· Institutions

Types of aquatic migration*

Diadromous: all fish that migrate between

the sea and fresh water

Anadromous: fish migrate from the sea up

into freshwater to spawn

Catadromous: fish migrate from fresh water

down intothe sea to spawn

Amphidromous: fish that migrate from fresh

water to the seas, or vice versa, but not

for the purpose of breeding

Potamodromous: fish whose migrations

occur wholly within fresh water

Oceanodromous: fish that live and migrate

wholly in the sea