尾黒 おぐろ 白鮫 しろざめではありませんでした
oguromeshirozamedewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 尾黒目白鮫

1. Was not a black-spotted shark.; Was not an ogrefish.

Past/Perfective
Negative
Polite
Formal Register