Eurycheilichthys pantherinus is a species of armored catfish from the upper and middle Uruguay River basin in Brazil and Argentina.

[1] 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.

[2] This species grows to a length of 4.2 centimetres (1.7 in) SL.

This article relating to Otothyrinae is a stub.