hatsuka-nezumi means "House Mouse" in English.

hatsuka-nezumi is normally written with katakana, as ハツカネズミ.
hatsuka-nezumi written with hiragana is はつかねずみ.
hatsuka-nezumi written with kanji is 二十日鼠.
This word contains non-jouyou kanji 常用漢字.
Romaji ha tsu ka ne zu mi
Kanji 二十
Meaning Twenty Day Rat
School Level 小1, 小1 小1

hatsuka-nezumi may also be written as 廿日鼠 or .

Orthography Notes

  • hatsuka is a jukujikun 熟字訓 reading for 二十日 in this word. That is: those kanji are only read that way when they come together like that.


Scientific name: Mus musculus.

Further Reading