anadromy

anadromy: [əʹnædrəmı] n
анадромия, миграция из морей в реки для метания икры (лосося и т. п.)

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anadromy — noun The migration of fish, from salt water to fresh water, as adults Thats the advantage of anadromy (a sea run life history): The ocean years allow fast growth … Wiktionary
Fish migration — Many species of salmon are anadromous and migrate long distances up rivers and streams to spawn. 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… … Wikipedia
Oncorhynchus mykiss — Trucha arcoíris … Wikipedia Español

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