かますさわらでわありませんでした
魳鰆ではありませんでした
kamasu sawaradewārimasendeshita

Noun
Desu Copula

The polite, past negative form of かますさわら

1. Was not a cod.; Was not a horse mackerel.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana