Astroblepus supramollis is a species of freshwater ray-finned fish belonging to the family Astroblepidae, the climbing catfishes. This catfish is found in Marañón River basin of Peru (Schaefer 2003), and in the RÃÂo Nangarizta and Cordillera del Cóndor in Ecuador and Peru.This species attains a maximum standard length of .