Eurycheilichthys pantherinus

Eurycheilichthys pantherinus is a species of armored catfish from the upper and middle Uruguay River basin in Brazil and Argentina. It inhabits shady, fast-flowing, shallow water, ranging from approximately 200–500 metres in elevation. The substratum is predominantly stones, with little or no macrophytes. This species grows to a length of 4.2 cm SL.