Megalodoras

This species is also known by the vernacular name "ripsaw catfish" (U.S.) and was often referred to by the scientific name M. irwini, now considered a junior synonym of M. uranoscopus, in older literature. Within the family Doradidae the genus Megalodoras is considered most closely-related to Lithodoras, Centrodoras and Platydoras, respectively. Members of the family Doradidae can be distinguished from all other Siluriformes by possession of a unique infranuchal scute, a dermal bon...