Otocinclus sp common name otocinclus catfish is a very small algae eating fish.

They only grow to about 3-4 cm / 1.5 inches fully grown. They live in water parameters of PH range 6.8-7.5, temperatures of 24-26 Celsius / 74-79 °F.

Otocinclus are peaceful little algae eating fish, because of how small they stay they are great in very small nano tanks. They are a popular algae eater to mix with discus fish as they are so peaceful and can take the warmer temperatures. Otocinclus can also eat hair algae so there a useful little fish to have in the tank.

There main diet is algae, but they will eat a little bit of food that falls to the bottom of the tank. And a nice treat is lettuce, cucumber, or courgettes.