Translation

The Japanese word for "House Mouse" is hatsuka-nezumi ハツカネズミ.

Romaji ha tsu ka ne zu mi
Hiragana
Katakana
Kanji 二十
Meaning Twenty Day Rat
School Level 小1, 小1 小1

Synonyms

Scientific name: Mus musculus.

Further Reading

House Cat, Housefly.