noun
Donaldson trout
A hybrid trout variety developed from steelhead, cutthroat, and rainbow trout. The term is wasei-eigo and not used in English.
wasei-eigo (Japanese-coined English), from trout salmon
トラウトサーモンは養殖が盛んな魚だ。
Donaldson trout is a fish that is widely farmed.
この刺身はトラウトサーモンを使っています。
This sashimi uses Donaldson trout.