Translation

kohari-iruka means "Burmeister's Porpoise" in English.

kohari-iruka is normally written with katakana, as コハリイルカ.
kohari-iruka written with hiragana is こはりいるか.
kohari-iruka written with kanji is 小針海豚.
These are jouyou kanji 常用漢字, taught in junior high, chuugakkou 中学校.
Romaji ko ha ri i ru ka
Hiragana
Katakana
Kanji 海豚
Meaning Small Needle Dolphin
School Level 小1 小6 小2,

Orthography Notes

  • 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