うみたなごじゃなかったです
海鱮じゃなかったです
umitanagojanakattadesu

Noun
Desu Copula

The polite, past negative form of うみたなご

1. Wasn't a sand lance.; Wasn't a Japanese sand lance.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana