| Size (cm): |   |
| Locality: | Venezuela, Venezeula, Rio Agua Caliente 2 to 3 kilometers above Lago Maracaibo, Zulia |
| Sex: |   |
| Date: | 1942-05-01 |
| Reference: | Sandra J. Raredon / Smithsonian Institution, NMNH, Div. of Fishes |
| Remark: | Holotype of Ageneiosus freiei. USNM 121260. Photo under CC0 license https://creativecommons.org/publicdomain/zero/1.0/ |