Definition

Noun: * Coho salmon, silver salmon, Oncorhynchus kisutch: A species of anadromous fish in the salmon family. It is native to the northern Pacific Ocean and coastal streams, and has been introduced to other areas like the Great Lakes. It is characterized by its bright silver sides in the ocean and a distinctive red or maroon coloration when spawning.

Usage Examples

• Noun:
  • The Oncorhynchus kisutch is an important species for both commercial and sport fishing.
  • Biologists are studying the migration patterns of coho salmon in this river system.
  • After several years at sea, the silver salmon returns to its natal stream to spawn.

Advanced Usage

• The scientific name Oncorhynchus kisutch is used in formal biological, ecological, and fisheries management contexts to precisely identify the species, distinguishing it from other Pacific salmon like Chinook () or sockeye ().

Variants and Related Words

• Coho (n.): A common shortened form of "coho salmon."
  • The coho run is particularly strong this year.
• Silver salmon (n.): Another common name for this species, referring to its bright, silvery ocean-phase coloration.
• Anadromous (adj.): A biological term describing fish, like the , that migrate from the sea to fresh water to spawn.

Synonyms

• Coho salmon
• Silver salmon
• Coho

Related Phrases and Terms

• Spawning run: The migration of salmon from the ocean to freshwater rivers to lay eggs.
  • The Oncorhynchus kisutch begins its spawning run in the fall.
• Smolt: The juvenile life stage of a salmon when it becomes silvery and migrates from freshwater to the sea.
  • The young coho salmon transform into smolts before heading to the ocean.

Noun

1. small salmon of northern Pacific coasts and the Great Lakes