One Japanese scientist called Takuya Sato found that in one stream, these things drive so many crickets and grasshoppers into the water that the drowned insects make up some 60 percent of the diet of local trout.
Nje shkencetar japonez  i quajtur Takuya Sato gjeti se ne nje rrjedhe keta krimba drejtojne kaq shume bulkthe dhe karkaleca ne uje saqe insektet e mbytur perbejne rreth 60 perqind  te dietes se troftave lokale.