鮫肌 さめはだ手長 てなが だこであれば
samehadatenagadakodeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 鮫肌手長蛸

1. If it were a long-armed octopus with sharkskin…; If being a long-armed octopus with sharkskin…

Ba Conditional