Corydoras semiaquilus is a species of tropical freshwater catfish in the family Callichthyidae.

It is endemic to the Amazon Basin in South America.

[1][2] This species has been recorded as growing to 6 cm (2.4 in) in length.

It inhabits water within the range of 6.0–8.0 pH, a water hardness of 2.0–25 dGH, and a temperature range of 22–26 °C (72–79 °F).

[3] It feeds on worms, benthic crustaceans, insects, and plant matter.