Otocinclus (Otocinclus spp.)
Otocinclus are small, peaceful algae-eaters that make excellent additions to planted community aquariums. They are gentle, schooling fish that help keep tanks clean by grazing on algae without disturbing other tankmates.
 
Size: Up to 1.5–2 inches
Tank Size: 10+ gallons
Care Level: Easy
Diet: Herbivore – algae, algae wafers, blanched vegetables
Temperament: Peaceful – best kept in groups of 4+
Water Parameters: 72–79°F, pH 6.5–7.5