あぶらそこもつでわありません
脂底鯥ではありません
aburasokomotsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of あぶらそこむつ

1. It is not a sea bream with a fatty underside.; It is not a type of sea bream.

Negative
Polite
Formal Register
Usually Written in Kana