Happy Cory, Happy Tank
Corydoras are some of those fish that are just easy to love. They’re gentle, social little bottom dwellers that really shine when they’re with their friends. Keeping Corydoras in groups of six or more helps them feel safe and settled, and that’s when their playful, curious personalities come out. In the right group, they’re active, confident, and a joy to watch as they scoot around the bottom of the tank together.
Because Corydoras spend most of their time exploring the substrate, a soft, sandy bottom is super important for them. They use their sensitive barbels to search for food, and rough gravel can cause irritation or injury over time. Clean, stable water also makes a big difference. While Corydoras are fairly hardy, they tend to be some of the first fish to show stress when water quality slips.
A happy Corydoras setup includes open areas for foraging, gentle lighting, and plenty of plants or décor where they can feel secure. They do best in peaceful community tanks with calm tankmates and low to moderate water flow. You may even catch them darting up to the surface for a quick gulp of air now and then, which is totally normal and just one of their quirky little traits.
The South American Basins

