Translation

masu means "Trout" or "Salmon" in English.
Sometimes masu doesn't mean the animal, see homonyms.

  • In Japanese, a masu fish is any fish whose name ends in masu 鱒. Literally. A good number of them are trouts, but some are Salmons.
masu is normally written with katakana, as マス.
masu written with hiragana is ます.
masu written with kanji is 鱒.
This word contains non-jouyou kanji 常用漢字.
Romaji ma su
Hiraganaます
Katakanaマス
Kanji 鱒
School Level ✕

masu may also be written as 鮅.

Homonyms & Similar Words

Trivia

  • The Trout and the Salmon are alike, but one difference is that the Trout usually stays in freshwater, while the Salmon migrates to salt water.

Further Reading

Wikipedia: 鱒 (Trout)