Meet the Cory Cats your tank’s hardest workers.
Corydoras Catfish, affectionately known as “Cory Cats,” are small, peaceful, and packed with personality. Whether you're new to aquariums or looking to round out your community tank, these bottom dwellers are a must-have in your setup.
Why Corydoras are in Every Pro's Tank
Corydoras are like the janitors of your aquarium constantly scavenging the bottom for uneaten food and helping to keep the substrate clean. But they’re not just functional; they’re fun to watch, especially when they scoot around in groups or dart up for a quick gulp of air at the surface.
With over 160 species in the Corydoras family, you’ve got options from the classic Bronze and Albino Corys to the more exotic Panda, Julii, and Sterbai varieties.
Quick Facts:
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Size: 1.5–3 inches, depending on species
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Tank Size: 20 gallons or more
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Water Temp: 72–78°F
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Diet: Omnivore—sinking pellets, wafers, and frozen food
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Social Needs: Always keep in groups of 4 or more, they’re schooling fish!
Tank Setup Tips
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Use fine sand or smooth gravel to protect their sensitive barbels.
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Keep the lighting moderate and provide shaded areas with driftwood or plants.
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They thrive in clean, well-oxygenated water, regular water changes are key.
Popular Species to Check Out:
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Bronze Corydoras – Hardy and beginner-friendly
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Sterbai Corydoras – Striking white spots, perfect for warmer tanks
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Panda Corydoras – Black and white, playful, and small
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Julii Corydoras – Spotted beauties with a peaceful nature
Why You'll Love Them
Corys are one of the most endearing fish you can add to your tank. They’re peaceful, goofy, and helpful what’s not to like? Whether you go for a uniform group or mix up different species (as long as they school in similar size), they bring life to the bottom of your tank.