しつあじじゃありませんでした
室鯵じゃありませんでした
shitsuajijārimasendeshita

Noun
Desu Copula

The polite, past negative form of むろあじ

1. It was not a horse mackerel.; It wasn't a horse mackerel.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana