Zebra Dwarf Sucker

Otocinclus cocama

Zebra Dwarf Sucker (Otocinclus cocama) — Varies care, Peaceful, under Other. Minimum tank in the app: 10.6 US gal min; aim for 70–77°F and pH 6.5–7.5. Zebra Dwarf Suckers are well-suited for aquarists seeking a small, engaging species that contributes to algae control.

Zebra Dwarf Sucker (Otocinclus cocama) in a planted freshwater aquarium
Care levelVaries
TemperamentPeaceful
Min tank size10.6 US gal min
pH range6.5–7.5
Temperature70–77°F
Max size1.8 in (4.5 cm)
Captive lifespan3–6 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Asia

  • East & Southeast Asia

Regional colours match the stocking calculator’s origin map.

Zebra Dwarf Sucker Tank Setup

Create a balanced environment that includes ample hiding spots using driftwood and plants, while also allowing for open swimming lanes. A gentle water flow is ideal, and substrate should be smooth to prevent injury during foraging. Maintain moderate lighting to encourage natural behavior without inducing stress.

What Do Zebra Dwarf Suckers Eat?

These omnivores are moderate feeders, but competition can arise if introduced to overzealous eaters. Offering a varied diet with algae wafers, blanched vegetables, and quality flakes is essential to maintain their health and vibrancy.

Zebra Dwarf Sucker Tank Mates

Ideal companions include other mid-sized, non-aggressive fish that occupy different niches, such as small tetras or rasboras. Caution is warranted with overly aggressive species or those that occupy the same mid-water zones. While they are not shoaling, keeping them in small groups can enhance their comfort and reduce stress.

Are Zebra Dwarf Suckers Good for Beginners?

Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the need for structured environments, leading to stress and decreased activity levels. Overcrowding can also exacerbate aggression, while neglecting water quality can quickly lead to health issues.

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.