せんかくさわがにでしょう
尖閣沢蟹でしょう
senkakusawaganideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of せんかくさわがに

1. Probably a Jonochelus crab.

Polite
Presumptive
Conjecture
Usually Written in Kana