ツーアイドコーラルフィッシュでしょう
tsū aidokōrarufisshudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ツーアイドコーラルフィッシュ

1. Probably a two-eyed coral fish.

Polite
Presumptive
Conjecture