ミツバイソハゼではありませんでした
mitsubaisohazedewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ミツバイソハゼ

1. Was not a Japanese eel goby.; Was not a Japanese eel goby (polite).

Past/Perfective
Negative
Polite
Formal Register