Why is my Zebra Otocinclus dying suddenly?

The most common causes are starvation and immature water conditions. They require an established tank rich in biofilm and algae. If placed in a newly cycled tank without supplemental feeding like blanched vegetables, they will quickly starve.

Can I keep just one Zebra Otocinclus?

No. They are a highly social schooling species. Keeping less than six individuals will cause severe stress, leading to a compromised immune system and near-constant hiding.

Will they eat my aquarium plants?

No. Otocinclus are exclusively aufwuchs and soft algae grazers. They lack the jaw structure to damage healthy plant matter and will only clean the surface of the leaves.

What vegetables are best for feeding Otocinclus?

Blanched courgette (zucchini), cucumber, and spinach are excellent choices. Weigh the vegetables down or use a clip, and remove any uneaten portions after 24 hours to prevent water fouling.

How can I tell if my Zebra Otocinclus is healthy?

Look closely at their belly. A healthy individual should have a plump, slightly rounded stomach, resembling a small pearl. A sunken or flat belly indicates severe malnutrition.

FreshwaterTropicalIntermediate

Zebra Otocinclus

Otocinclus cocama

A strikingly patterned, peaceful suckermouth catfish that requires a mature planted aquarium to thrive.

List this species for sale Find Zebra Otocinclus near me

Ideal Conditions

Temperature: 21 – 25 °C
pH range: 6 – 7.2
Hardness: 2 – 10 dGH
Adult size: 4 – 4.5 cm
60 Litres minimum for a required shoal: 60 litres+
Lifespan: 3 – 5 years
Diet: Herbivore
Water flow: moderate
Preferred setup: Mature planted aquarium with driftwood, smooth rocks, and broad-leaved plants to provide grazing surfaces.

About the Zebra Otocinclus

The Zebra Otocinclus (*Otocinclus cocama*) is undeniably one of the most highly sought-after members of the Loricariidae family. Unlike its more plainly coloured relatives, this species boasts high-contrast vertical black and white stripes that make it a standout addition to planted nano tanks. They are entirely peaceful and spend their days diligently grazing on biofilm and soft algae. Because they are often delicate when first imported, they must be introduced only to fully matured aquariums.

Find Zebra Otocinclus

Search current listings in your chosen area. If none are available, save an alert and we’ll let you know when a match is listed.

Find locally Check compatibility Add to a Setup

Availability alerts only use public sale listings. Adding this species to a Setup updates your private records.

Is it right for your tank?

Check Zebra Otocinclus against a habitat you already keep. We compare water type, temperature, pH, adult size, group needs and everything living there.

Where Zebra Otocinclus comes from

Native range

Ucayali River basin

Countries / regions

Peru

Habitat

Clear, moderately flowing tributary creeks with dense marginal vegetation and plenty of submerged wood.

Primarily collected from the Jenaro Herrera region in the Peruvian Amazon.

Similar species

Common Otocinclus
Otocinclus vittatus
Dwarf Suckermouth
Otocinclus macrospilus
Pitbull Pleco
Parotocinclus jumbo

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

View all compatibility

Ember Tetra
Hyphessobrycon amandae
Small, peaceful, and inhabits the middle water column, completely ignoring the Otocinclus.
Great
Panda Corydoras
Corydoras panda
Shares similar temperature requirements and possesses a similarly gentle temperament.
Great
Amano Shrimp
Caridina multidentata
Excellent algae-eating companions that will not bother the mild-mannered catfish.
Great
Angelfish
Pterophyllum scalare
Adult Angelfish may attempt to eat small Otocinclus, which can result in both fish perishing due to the catfish's defensive spines.
Compatible with caution
Tiger Barb
Puntigrus tetrazona
Too boisterous and aggressive, which will easily outcompete and deeply stress the timid Zebra Oto.
Not recommended

Current marketplace listings

Checking the marketplace…

See all Zebra Otocinclus listings

Public Wanted requests

No open requests for Zebra Otocinclus in this market yet.

Looking for Zebra Otocinclus?

Search current listings near you, or post a wanted request so local sellers know what you’re looking for.

Search Zebra Otocinclus listings Post a wanted request