Undeniably, Otocinclus are excellent algae eaters and are often referred to as ‘Algae Eating Machines’. They are particularly beneficial in controlling the growth and spread of brown algae (diatoms) infestations and the generally unwanted green algae in your aquarium.
Despite this knack for algae consumption, it’s crucial to remember these catfish cannot rely entirely on the naturally occurring algae in your tank for their nutritional needs. Especially in new or well-maintained tanks where algae presence might be minimal, supplemental feeding with algae wafers, vegetables, and sinking pellets will be necessary for Otos dietary needs.