fisshu Animals in Japanese Translation fisshu means "Fish" in English. It's a katakanization, a loan-word. fisshu in katakana is フィッシュ. fisshu is not usually written with hiragana. fisshu does not have kanji. Romaji fi sshu Katakana フィ ッ シュ Orthography Notes フィ and シュ are compound kana representing a single syllable with multiple characters. ッシュ contains a small tsu ッ which makes the consonant of the syllable longer. Synonyms sakana 魚. Related Words jeriifisshu ジェリーフィッシュ.