Many fish appear to take pleasure in kissing: this is particularly the case with "ornamental" fish. Wendt remarks that "The couples use their lips in the ceremonies of courtship in a surprisingly human manner." One particular type of labyrinth fish is known as the "kissing gurami" In this species the enthusiasm for the kiss is such that one such act may last as much as twenty-five minutes. Doubtless human kisses can exceed this duration but such achievements must be rare.