Pygmaeus Corydoras (Pygm Cory)

SVR Aquatics Recommendation The Pygmy Corydoras is an excellent choice for nano and planted aquariums. Their tiny size, peaceful temperament, constant activity, and attractive schooling behavior make them one of the most enjoyable bottom-dwelling fish for community aquarium enthusiasts. Perfect for aquarists seeking a lively, social, and beginner-friendly catfish species.

Pygmy Corydoras (Pygmy Catfish) – Care Guide Description The Pygmy Corydoras (Corydoras pygmaeus) is one of the smallest and most charming freshwater catfish in the aquarium hobby. Native to the slow-moving tributaries of the Amazon Basin in South America, these tiny schooling fish are known for their peaceful nature, active behavior, and unique habit of swimming in the middle water column, unlike most bottom-dwelling Corydoras species. Their silver body is accented by a distinct black horizontal stripe running from the snout to the tail, making them a beautiful addition to nano and planted aquariums. Water Parameters Temperature : 22–28°C (72–82°F) pH : 6.0–7.5 GH : 2–12 dGH Tank Size : Minimum 40 Litres (10 Gallons) Flow : Gentle to Moderate Lighting : Low to Moderate Care & Maintenance Best kept in groups of at least 6–10 individuals, though larger schools are strongly recommended. Provide a soft sandy substrate to protect their sensitive barbels. Include live plants, driftwood, and shaded areas for security. Maintain excellent water quality with regular water changes. Avoid strong currents as they prefer calm waters. Ensure stable water parameters, as sudden changes can cause stress. Diet Pygmy Corydoras are omnivores and readily accept a variety of foods, including: High-quality micro pellets Sinking catfish pellets Crushed flakes Baby brine shrimp Daphnia Cyclops Microworms Frozen foods in small portions Feed small amounts 1–2 times daily to ensure all fish receive adequate nutrition. Behaviour & Temperament Extremely peaceful and social. Active throughout the day. Unlike most Corydoras, they frequently swim in mid-water as a school. Thrive when kept in larger groups. Completely reef-safe for planted freshwater aquariums and harmless to tank mates. Suitable Tank Mates Ember Tetras Neon Tetras Cardinal Tetras Chili Rasboras Harlequin Rasboras Celestial Pearl Danios Honey Gouramis Sparkling Gouramis Otocinclus Small peaceful shrimp species Other peaceful nano fish Tank Mates to Avoid Large Cichlids Oscars Flowerhorns Aggressive Barbs Large Gouramis Predatory Catfish Any fish large enough to view them as food Adult Size Average Size: 2.5–3 cm (1–1.2 inches) Lifespan: 3–5 years with proper care Pro Tips ✅ Keep them in groups of 10 or more to observe natural schooling behavior. ✅ A dark substrate and dense planting help bring out their best coloration. ✅ Use fine sand rather than coarse gravel to protect their delicate barbels. ✅ Feed a varied diet including live and frozen foods for optimal health. ✅ Maintain pristine water conditions, as Pygmy Corydoras are sensitive to poor water quality.