せんかくさわがにであれば
尖閣沢蟹であれば
senkakusawaganideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of せんかくさわがに

1. If it were Senkaku Sawagani crab; If Senkaku Sawagani crab existed

Ba Conditional
Usually Written in Kana