まだらとんびエイじゃなかったです
斑鳶エイじゃなかったです
madaratombieijanakattadesu

Noun
Desu Copula

The polite, past negative form of まだらとびエイ

1. Wasn't a manta ray.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana