びわこおうなまずじゃありません
琵琶湖大鯰じゃありません
biwako ō namazujārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of びわこおおなまず

1. It is not the Biwa Lake catfish.; I am not the Biwa Lake catfish.

Negative
Polite
Terminal Form
Usually Written in Kana