Denticetopsis macilenta is a species of whale catfish endemic to Guyana where it is only known from a limited area in the Essequibo River basin. This species grows to a length of 6.7 cm (2.6 inches).
References
- Froese, Rainer; Pauly, Daniel (eds.). "Denticetopsis macilenta". FishBase. December 2011 version.