Gymnorhamphichthys rondoni

Gymnorhamphichthys est un genre de poissons de la famille des Rhamphichthyidae. Distribution Les espèces de ce genre se rencontrent en Amérique du Sud. Description Ce sont des poissons électriques.

Gymnorhamphichthys is a genus of South American sand knifefishes found in the Amazon, Araguaia, Orinoco and Río de la Plata basins, as well as rivers in the Guianas. They inhabit both small streams and large rivers, but usually over a sandy bottom. During the night they swim head-down over the sandy bottom to locate small invertebrate prey like insect larvae and during the day they rest buried under the sand.

Gymnorhamphichthys rondoni es una especie de pez de agua dulce del género Gymnorhamphichthys de la familia Rhamphichthyidae. Es denominada comúnmente morena. Se distribuye en ambientes acuáticos de Sudamérica norte y centro-oriental.