Definition
A migratory rainbow trout that migrates from the ocean back to freshwater rivers to spawn, named for the metallic sheen on its head and body during its ocean phase. Prized by sport fishers for their size, strength, and fighting ability, steelhead are found primarily in the Pacific Northwest.
Example Usage
The angler spent the cold morning wading the river, hoping to hook a steelhead during the winter run.
Origin
From the fish's distinctive 'steel'-colored head acquired during its ocean phase before returning to freshwater.
Fun Fact
Unlike Pacific salmon, steelhead can survive spawning and return to the ocean multiple times, making them the only Pacific trout with this capability.
Source: Definition backfill (hailey)
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