すいぎょでわありませんでした
水魚ではありませんでした
suigyodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of みずうお

1. Was not a water fish.; Was not like a fish in water.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana