Adult: Species description based on Savage (2002). A moderate sized caecilian (to 387 mm total length) with a robust body. Dorsal: The dorsal surface is dark grey-black. Ventral: The ventral surface ranges in color from cream with some dark mottling to grey or very dark grey. Distinguishing characteristics: Number of primary annuli: 91-117 Number of secondary annuli: 65-96 Total annuli: 159-208 Eye: The eye is visible in this species.
Habitat: Lowland and premontane forest between 400 and 2000 m. Ecology: A fossorial species, it has been found under logs or leaf litter (Savage 2002). Type locality: Panama, Chiriqui Diet: Dermophis gracilior consumes earthworms, termites, and insect larvae (Savage 2002).