Ancistrus aguaboensis Fisch-Muller, Mazzoni & Weber 2001

A small species with very depressed, wide body; short dorsal fin (3.6-4.1 times in SL); wide mouth; a small area of supraoccipital plate often depressed, slightly granular or without odontodes; exposed part of nuchal plate minute or totally covered by skin; dorsal and fins brownish with numerous small whitish spots, lips and belly yellowish, totally or mostly unpigmented. Dermal plates along dorsal-fin base 6-7. Short interdorsal distance, 5.1-5.5 times in SL.

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Analspines: 1; Analsoft rays: 4; Vertebrae: 28

Occurs in an area characterized by riffles with predominantly rocky substratum with some gravel and sand.

Ancistrus aguaboensis is a species of catfish in the family Loricariidae. It is native to South America, where it is known from the upper Tocantins River basin. The area in which the species occurs is characterized by riffles and a primarily rocky substrate, although some amounts of gravel and sand are present. The species reaches 6.7 cm (2.6 inches) SL. It sometimes appears in the aquarium trade, where it is usually either known as the Aguaboa ancistrus, the Aguaboa pleco, or by its L-number, L032.