背黒 せぐろ あじ ざしではありませんでした
seguroajiza shidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 背黒鰺刺

1. Was not a blackback bitterling.; Was not a darkspine puffer.

Past/Perfective
Negative
Polite
Formal Register