S. zuanoni is nocturnal, feeding actively on algae and periphyton at night. It reaches 12.9 cm (5.1 inches) SL, and its specific epithet, zuanoni, refers to Jansen Zuanon, the first ichthyologist to collect the species.[2]S. zuanoni appears in the aquarium trade, where it is usually referred to either as the acari bola branca or by its associated L-number, which is L-020.[3]