みみずはぜじゃなかったです
蚯蚓鯊じゃなかったです
mimizuhazejanakattadesu

Noun
Desu Copula

The polite, past negative form of みみずはぜ

1. Wasn't a frilled shark.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana