They specialize in eating soft green algae; often this algae is hard to see without looking closely for it. The otocinclus will eat it before it grows too long and gets out of control. ... Otocinclus don't have a mean bone in their body and can be housed with fry and even baby dwarf shrimp.

Are Otocinclus good algae eaters?

The Otocinclus Catfish, or the Oto Cat is another peaceful fish that's known for their algae-eating habits. They're quite small, reaching only 2 inches in length, and do well in small community tanks. These little guys are talented at removing brown algae and new algae growths from tanks.

Can Otocinclus survive on algae?

Diligent little algae eaters, Otocinclus are peaceful and would make an awesome addition to your planted aquarium. They're easy to look after, provide plenty of entertainment, and will keep your aquarium from being overrun by algae – as long as you keep them in the correct conditions.