まこがれいじゃなかったです
真子鰈じゃなかったです
makogarējanakattadesu

Noun
Desu Copula

The polite, past negative form of まこがれい

1. Wasn't a true flounder.; Wasn't a genuine flatfish.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana