sentences:  A rather similar breeding behavior has been reported for "O. exodon", although in this species the nest is placed at the bottom of a deep pool, the female reportedly lives inside it for more than a month, while the male stays outside and guards it.Like other gouramis, the members of the genus "Osphronemus" are able to breathe by gulping air from the water's surface.Compared to other gouramis, their suprabranchial organ is highly elaborate, leading to speculations that they also may be able to detect smells in the air.