Question

What is catadromous migration? Give an example you have studied

Answer 1

Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousands of kilometres. Fishusually migrate to feed or to reproduce, but in other cases the reasons are unclear.

Migrations involve the fish moving from one part of a water body to another on a regular basis. Some particular types of migration are anadromous, in which adult fish live in the sea and migrate into fresh water to spawn, and catadromous, in which adult fish live in fresh water and migrate into salt water to spawn.


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Answer 2

Answer:

migration patterns

Catadromous fish spend most of their lives in fresh water, then migrate to the sea to breed. This type is exemplified by eels of the genus Anguilla, numbering 16 species, the best-known of which are the North American eel (A.