へらぶなじゃなかったです
箆鮒じゃなかったです
herabunajanakattadesu

Noun
Desu Copula

The polite, past negative form of へらぶな

1. Wasn't a loach.; Wasn't a crucian carp.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana