Translation

kogashira-nezumi-iruka means "Gulf Porpoise" in English.

kogashira-nezumi-iruka is normally written with katakana, as コガシラネズミイルカ.
kogashira-nezumi-iruka written with hiragana is こがしらねずみいるか.
kogashira-nezumi-iruka written with kanji is 小頭鼠海豚.
This word contains non-jouyou kanji 常用漢字.
Romaji ko ga shi ra ne zu mi i ru ka
Hiragana
Katakana
Kanji 鼠海豚
Meaning Small Head Harbor Porpoise
School Level 小1 小2 , 小2,

Orthography Notes

  • kashira かしら becomes gashira がしら in this word because of a change in pronunciation called rendaku.
  • iruka is a jukujikun 熟字訓 reading for 海豚 in this word. That is: those kanji are only read that way when they come together like that.

Further Reading