Dekeyseria pulchra is a species of armored catfish native to Brazil, Colombia and Venezuela where it is found in the upper Rio Negro, Orinoco and Casiquiare canal basins. This species grows to a length of SL. D. pulcher is noted to be an algae-eater. References Ancistrini Catfish of South America Freshwater fish of Brazil Freshwater fish of Colombia Fish of Venezuela Fish described in 1915