The Zebra Otocinclus (Otocinclus cocama) is a fascinating and efficient algae eater favored by aquarists for its distinctive black-and-white striped pattern. Native to the clear waters of Peru’s Amazon tributaries, this small fish adds both functional and aesthetic value to freshwater aquariums.

Appearance and Behavior

With its bold zebra-like stripes, this Otocinclus stands out among algae eaters. Despite its size, usually not exceeding 5 cm, its visual contrast catches the eye. The Zebra Otocinclus is a sociable species that thrives in small groups of 5 or more, often observed grazing calmly on aquarium surfaces and plants.

Care and Habitat

These fish prefer well-oxygenated aquariums with live plants, driftwood, and smooth surfaces where algae grow naturally. They require stable water parameters and gentle filtration. Regular water changes and moderate water flow are beneficial. Provide them with soft hiding spots and subdued lighting to mimic their natural habitat.

Diet and Feeding

While they primarily feed on algae and biofilm, supplement their diet with blanched vegetables (like zucchini or spinach) and high-quality algae wafers. This ensures balanced nutrition and optimal health.

Tank Mates

Zebra Otocinclus are peaceful and do not bother other species. They coexist well with small tetras, rasboras, shrimp, and other gentle fish. Avoid keeping them with aggressive or large species.

Ideal For

• Beginner aquarists seeking low-maintenance algae control.

• Community aquariums up to 40 liters or more.

• Natural or planted aquascapes needing gentle algae cleaners.

Tips for Success

• Keep them in groups of at least 4–6 individuals.

• Maintain stable, clean water conditions.

• Provide a mature tank with plenty of algae or biofilm.