Corydoras sterbai 3-3.5cm

• General Overview

  • Corydoras Sterbai, commonly called the Sterba’s Cory, is one of the most popular species of Corydoras due to its calm nature and distinctive spotted pattern.

  • Ideal for freshwater community aquariums, it thrives in planted tanks and provides lively activity at the bottom of the aquarium.

  • This hardy species is suitable for beginners and experienced aquarists alike.

  • Its social behavior and charming interactions with tank mates make it a favorite in any community setup.

• Appearance & Coloration

  • Compact, armored body with a rounded belly and short fins.

  • Distinctive dark body with contrasting white spots along the flanks and head.

  • Fins often have light edging, enhancing the visual appeal.

  • Size typically ranges from 5–6 cm, small enough for most community tanks.

  • Coloration becomes more vibrant in clean, stable water and under proper lighting.

• Temperament & Behavior

  • Extremely peaceful and social, making it ideal for community tanks.

  • Bottom-dweller that spends most of its time scavenging for leftover food.

  • Highly active during the day, often seen in groups displaying synchronized swimming patterns.

  • Prefers to be kept in small schools of 5 or more to reduce stress and promote natural behavior.

  • Non-aggressive and compatible with other gentle fish species.

• Tank Size & Aquarium Setup

  • Minimum tank size: 60 liters (15 gallons), larger recommended for schools.

  • Soft, sandy substrate preferred to protect delicate barbels while foraging.

  • Include smooth rocks, driftwood, and live plants to provide shelter and resting spots.

  • Low to moderate water flow is ideal, mimicking their natural slow-moving river habitats.

  • Plenty of hiding spaces reduce stress and encourage natural behavior.

• Water Conditions (Freshwater Parameters)

  • Temperature: 22–26 °C

  • pH: 6.5–7.5

  • Water hardness: Soft to moderately hard (2–12 dGH)

  • Ammonia & Nitrite: 0 ppm

  • Nitrate: Below 20 ppm

  • Stable water conditions are essential for healthy coloration and longevity.

  • Regular water changes of 20–30% weekly help maintain optimal water quality.

• Feeding Habit & Diet

  • Omnivorous bottom-feeder that actively scavenges.

  • Diet includes:

    • Sinking pellets or wafers

    • Frozen or live foods (bloodworms, brine shrimp, daphnia)

    • Blanched vegetables (zucchini, spinach, peas)

    • Occasional algae wafers for supplemental nutrition

  • Feed once or twice daily, in amounts small enough to avoid polluting the substrate.

  • Group feeding ensures all individuals receive sufficient nutrition.

• Tank Mates & Compatibility

  • Ideal with peaceful community fish, including:

    • Small tetras

    • Rasboras

    • Guppies

    • Small danios

    • Other Corydoras species

  • Avoid large, aggressive, or territorial species.

  • Works best in schools to promote social behavior and reduce stress.

• Care Level & Maintenance

  • Care level: Easy

  • Hardy and beginner-friendly if water parameters are maintained.

  • Regular monitoring of water quality and substrate cleanliness ensures health.

  • Gentle acclimation recommended for new tank introductions.

• Health & Special Notes

  • Sensitive to rough or sharp substrates that can damage barbels.

  • Avoid copper-based medications.

  • Stress may lead to hiding or decreased feeding.

  • Keeping in schools reduces anxiety and promotes active foraging behavior.

• Why Choose Corydoras Sterbai?

  • Peaceful, social, and bottom-dwelling

  • Attractive spotted pattern

  • Suitable for community and planted tanks

  • Beginner-friendly with hardy nature

  • Enhances tank activity and aesthetics

The Corydoras Sterbai is a delightful addition to any freshwater aquarium, combining charm, activity, and beauty. With proper care, schooling, and stable water conditions, it thrives and brings life to the bottom of your tank.