Original description as Heterogramma ortmanni:
- Eigenmann, Carl H. 1912. "The freshwater fishes of British Guiana, including a study of the ecological grouping of species, and the relation of the fauna of the plateau to that of the lowlands". Memoirs of the Carnegie Museum. v. 5; n. 1; i-xxii + pp. 1-578 (crc00216) (abstract)
Conservation: Apistogramma ortmanni is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.