. . . . . . . . . "Catostomus catostomus" . . "Mergus merganser" . . "Nicholas Sly. 2017. Catostomus catostomus eaten by Mergus merganser. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6130821> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .