The Pygmy Cory (Corydoras pygmaeus) is a small, peaceful, and highly social freshwater catfish, ideal for nano tanks and planted aquariums. Unlike other Corydoras species that stay primarily on the substrate, Pygmy Corys are active swimmers that often explore all levels of the tank in tight schools.
Their tiny size, playful behavior, and hardiness make them an excellent choice for beginner and experienced aquarists alike.
Native to slow-moving rivers in South America, Pygmy Corys thrive in soft, well-oxygenated water with fine sand or smooth gravel. They are best kept in groups of at least six, as they are highly social and display fascinating schooling behavior. Their gentle nature makes them perfect tank mates for other peaceful species like tetras, rasboras, and small livebearers.
Key Features:
•Tiny & Peaceful: One of the smallest Corydoras species, reaching only 3cm in size.
•Active & Social: Unlike most corys, they swim at all levels of the tank in schools.
•Hardy & Easy to Care For: Suitable for beginners and experienced aquarists.
•Perfect for Nano Tanks & Community Setups: Compatible with small, peaceful fish.
•Bottom-Dwelling Scavenger: Helps keep the substrate clean by foraging for leftover food.
Care Instructions:
•Tank Size: Minimum 30L+ (larger for bigger groups).
•Water Temperature:22-26°C (72-79°F).
•pH Level:6.5-7.5 (soft, slightly acidic to neutral water preferred).
•Diet: Omnivorous – enjoys sinking micro pellets, algae wafers, frozen foods, and small live foods.
•Tank Mates: Best with tetras, rasboras, guppies, and other small, peaceful species. Avoid large or aggressive fish.