にっぽんザリガニじゃなかったです
日本ザリガニじゃなかったです
nipponzariganijanakattadesu

Noun
Desu Copula

The polite, past negative form of にほんざりがに

1. Wasn't a Japanese crayfish.; Wasn't a Japanese crawfish.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana