Tridens is a genus of freshwater ray-finned fishes belonging to the family Trichomycteridae, the pencil and parasitic catfishes, and the subfamily Tridentinae, the pygmy pencil catfishes. The catfishes in this genus are found in South America. Tridens is the type genus of the subfamily Tridentinae.
Species There are currently 3 recognized species in this genus: Tridens chicomendesi Henschel & W. Costa, 2023 Tridens melanops C. H. Eigenmann & R. S. Eigenmann, 1889 Tridens vitreus Henschel, Ohara & Costa, 2023
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