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FishintermediateFreshwater

Zebra Otocinclus

Otocinclus cocama

AnimaliaChordataActinopterygiiSiluriformesLoricariidae

📍 Río Ucayali, Peru

Ask Finn

Striking otocinclus with bold zebra-like black and white stripes. Rarer and more expensive than common otos but equally good algae eaters.

Size1.8"
Min Tank10g
School4+
peaceful
Zonebottom

Care Guide

Diet

Zebra Otocinclus are primarily herbivorous and feed on biofilm, algae, and plant matter. Supplement their natural grazing with high-quality algae wafers, blanched vegetables (zucchini, spinach), and occasional small amounts of quality sinking pellets 3-4 times weekly. They rarely accept prepared foods initially but will adapt with patience and consistent feeding.

Behavior

These peaceful bottom-dwellers are nocturnal and spend most daylight hours hiding among plants and décor. They are social fish that thrive in groups of 4 or more, displaying more confidence and natural behavior when kept with their own kind. Expect minimal interaction with other fish; they are best observed during evening hours when they become more active.

Breeding

Breeding Zebra Otocinclus in captivity is extremely rare and poorly documented. They require very specific water conditions, excellent water quality, and likely need trigger factors such as seasonal temperature drops and increased food availability. Most captive specimens are wild-caught, making successful breeding a significant challenge even for experienced aquarists.

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

White spots on body and fins, rapid breathing, lethargy, rubbing against objects

Treatment

Raise temperature gradually to 28-29°C, perform frequent water changes, use ich-specific medication if needed; maintain excellent water quality

Bacterial Infection

Symptoms

Torn or frayed fins, sores on body, cloudy eyes, loss of appetite

Treatment

Perform 25-50% water changes daily, improve water quality, use broad-spectrum antibiotic medication if severe; isolate affected fish if possible

Gill Parasites

Symptoms

Rapid gill movement, gasping at surface, reduced appetite, lethargy

Treatment

Improve oxygenation and water quality immediately, perform frequent water changes, use antiparasitic medication designed for sensitive fish species

Starvation/Malnutrition

Symptoms

Thin body, reduced activity, pale coloration, inability to compete for food

Treatment

Ensure adequate algae growth in tank, supplement with quality algae wafers and blanched vegetables, feed in evening when fish are active

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Quick Facts

pH
6.0–7.5
diet
herbivore/biofilm
maxSize
1.8 inches
minTankSize
10 gallons
temperature
72–79°F (22–26°C)

Temperature

72–79°F

22–26°C

Stats

Community tips0
Kept by0 hobbyists