ダイオウホウズキイカ

also: だいおうほおずきいか

Meanings

1

colossal squid

usually written using kana alone

Refers specifically to Mesonychoteuthis hamiltoni, a large deep-sea squid. Usually written in katakana.

ダイオウホウズキイカは南なん極きょく海かいに生せい息そくする巨きょ大だいなイカです。
The colossal squid is a giant squid that lives in the Antarctic Ocean.
博はく物ぶつ館かんでダイオウホウズキイカの標ひょう本ほんを見みた。
I saw a specimen of a colossal squid at the museum.