Fish migration
Fish Migration
Fish migration (pronunciation: /fɪʃ maɪˈɡreɪʃən/) is the regular, often seasonal, movement of fish species from one habitat to another for reasons such as food availability, reproduction, or temperature regulation.
Etymology
The term "migration" comes from the Latin migratio, meaning "to change residence". The word "fish" is derived from the Old English fisc, which is related to the Old High German fisc and the Latin piscis.
Types of Fish Migration
Fish migration can be categorized into several types:
- Diadromous migration: This involves fish moving between fresh and salt water. Diadromous fish can be further classified into anadromous, catadromous, and amphidromous species.
- Potamodromous migration: This refers to fish that migrate within fresh water only.
- Oceanodromous migration: This pertains to fish that migrate within the sea.
Related Terms
- Anadromous: Refers to fish that are born in fresh water, live in salt water, and return to fresh water to spawn.
- Catadromous: Refers to fish that are born in salt water, live in fresh water, and return to salt water to spawn.
- Amphidromous: Refers to fish that migrate from fresh water to salt water, or vice versa, not for the purpose of breeding, but for other reasons such as feeding or growth.
- Potamodromous: Refers to fish that migrate within fresh water only.
- Oceanodromous: Refers to fish that migrate within the sea.
External links
- Medical encyclopedia article on Fish migration
- Wikipedia's article - Fish migration
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