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Corydoras Catfish for Sale
Corydoras catfish — affectionately called "corys" — are the cheerful, schooling bottom-dwellers that no community aquarium feels complete without. Peaceful, hardy, and endlessly entertaining as they dart along the bottom, corys earn their keep sifting the substrate for leftover food. Our collection features a rotating selection of species.
Popular Corydoras Varieties
We regularly stock favorites like Panda, Julii, Sterbai, Bronze (Aeneus), Albino, Peppered, and Pygmy corydoras, along with rarer species as they become available. Pygmy and Tailspot corys are perfect for nano tanks, while classics like Bronze and Peppered are bulletproof beginner fish. Looking for another peaceful, oddball catfish? Don't miss our whiptail catfish care guide.
Corydoras Care Tips
Corys thrive in groups of six or more on a soft sand or smooth gravel substrate that won't damage their delicate barbels. Build their ideal home with fine sand or gravel, live aquarium plants for cover, and a varied diet of sinking wafers and pellets — corys are bottom feeders and won't compete well for floating food. Keep the water clean and well-oxygenated, and avoid sharp décor. New to the hobby? Our common aquarium mistakes guide covers the essentials.
Best Tank Mates for Corydoras
Corydoras are model community citizens. Pair them with peaceful, similarly-sized fish like tetras, rasboras, and small algae-eating otocinclus, plus dwarf shrimp and snails for a complete clean-up crew. Avoid large or aggressive fish that might bully or out-compete them. For more pairing ideas, see our roundup of the best schooling fish for freshwater aquariums.
FAQ: Corydoras Catfish
How many corydoras should I keep together? Corys are social schooling fish and feel safest in groups of six or more of the same species. Larger groups show more natural, active behavior.
What substrate is best for corydoras? Soft sand is ideal because it protects their sensitive barbels, which they use to sift for food. Smooth, rounded gravel can work, but avoid anything sharp.
Are corydoras good algae eaters? Not really — corys are scavenging bottom feeders, not algae eaters. They clean up leftover food but still need their own sinking wafers and pellets. For algae control, pair them with otocinclus or a small pleco.
Are corydoras good for beginners? Absolutely. Hardy species like Bronze, Peppered, and Albino corys are forgiving and long-lived, making them one of the best beginner bottom dwellers once the tank is cycled.
Browse our corydoras above and build the perfect peaceful community. Stop by the store or call us at 307-369-1118 with any questions.
