Spectracanthicus is a genus of suckermouth armored catfish endemic to the Tapajós, Xingu and Tocantins river basins in Brazil where often found in fast-flowing waters.

[1][2] The largest species in the genus reaches up to 13 cm (5.1 in) in standard length.

[3] They feed on algae and small invertebrates.

[3] There are currently five recognized species in this genus:[1][2]

This article relating to Hypostominae is a stub.