handou-iruka means "Bottlenose Dolphin" in English.

handou-iruka written with kanji is 半道海豚.
These are jouyou kanji 常用漢字, taught in junior high, chuugakkou 中学校.
handou-iruka written with katakana is ハンドウイルカ.
handou-iruka written with hiragana is はんどういるか.
Romaji ha n do u i ru ka
Kanji 海豚
Meaning Half Way Dolphin
School Level 小2 小2 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