くろぶちめしろざめじゃありませんでした
黒縁目白鮫じゃありませんでした
kurobuchimeshirozamejārimasendeshita

Noun
Desu Copula

The polite, past negative form of くろへりめじろざめ

1. Was not a black-rimmed white shark.; Was not a white-edged shark.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana