English Gymnorhamphichthys Cited by user RN1970 on 08 May 2018 Gymnorhamphichthys is a genus of sand knifefishes found in the Amazon, Araguaia, Orinoco and Río de la Plata basins in South America.
English Mastiglanis asopos Cited by user Rjwilmsi on 04 May 2014 Mastiglanis asopos is a species of three-barbeled catfish. It is the only recognized species in its genus.