ニセクロスジイソハゼではありませんでした
nisekurosujiisohazedewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ニセクロスジイソハゼ

1. Was not a false cross-striped tonguefish.; Was not a fake cross-striped tonguefish.

Past/Perfective
Negative
Polite
Formal Register