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Pygmy Corydoras are one of the smallest and most charming freshwater catfish available, loved for their peaceful nature, active schooling behavior, and unique mid-water swimming habits. Unlike most Corydoras species, Pygmy Corys frequently swim in loose groups throughout the middle of the tank, adding constant movement and interest to nano and planted aquariums.
Their subtle silver bodies, horizontal black stripe, and delicate appearance make them a perfect choice for aquascaped tanks and shrimp-safe community setups. Calm, social, and non-aggressive, Pygmy Corydoras thrive when kept in groups and contribute to a balanced aquarium ecosystem.
Pygmy Corydoras are shipped at approximately 0.5–0.75 inches, a hardy juvenile size that acclimates well to established aquariums. Adults reach only 0.75–1 inch, making them ideal for smaller tanks.
These catfish do best in stable, mature aquariums with clean water, gentle filtration, and soft substrates such as sand or fine gravel to protect their sensitive barbels. Heavily planted tanks with shaded areas help them feel secure.
Temperature: 72–79°F (22–26°C)
pH: 6.0–7.5
GH: 2–12
Tank Size: 10+ gallons
Pygmy Corydoras should always be kept in groups of 6–10 or more for natural behavior and reduced stress.
Pygmy Corydoras are omnivorous bottom feeders. They accept high-quality sinking micro pellets, wafers, and frozen foods such as baby brine shrimp, daphnia, and cyclops. Despite their small size, they are active feeders and benefit from regular, varied meals.
Extremely peaceful and community-friendly, they do well with:
Small tetras and rasboras
Otocinclus catfish
Dwarf shrimp
Other gentle nano fish
Avoid aggressive or large fish that may intimidate or outcompete them.
Scientific Name: Corydoras pygmaeus
Common Name: Pygmy Corydoras
Shipping Size: 0.5–0.75 inches
Adult Size: ~0.75–1 inch
Temperament: Peaceful
Diet: Omnivore
Swimming Level: Bottom to mid-water
Schooling: Yes (6+ recommended)
Lifespan: 3–5 years
Pygmy Corydoras are an excellent choice for aquarists seeking a nano-sized, peaceful, and active schooling catfish. Their unique behavior and compatibility with planted tanks and shrimp make them a standout addition to any freshwater aquarium.
Pygmy Corydoras are one of the smallest and most charming freshwater catfish available, loved for their peaceful nature, active schooling behavior, and unique mid-water swimming habits. Unlike most Corydoras species, Pygmy Corys frequently swim in loose groups throughout the middle of the tank, adding constant movement and interest to nano and planted aquariums.
Their subtle silver bodies, horizontal black stripe, and delicate appearance make them a perfect choice for aquascaped tanks and shrimp-safe community setups. Calm, social, and non-aggressive, Pygmy Corydoras thrive when kept in groups and contribute to a balanced aquarium ecosystem.
Pygmy Corydoras are shipped at approximately 0.5–0.75 inches, a hardy juvenile size that acclimates well to established aquariums. Adults reach only 0.75–1 inch, making them ideal for smaller tanks.
These catfish do best in stable, mature aquariums with clean water, gentle filtration, and soft substrates such as sand or fine gravel to protect their sensitive barbels. Heavily planted tanks with shaded areas help them feel secure.
Temperature: 72–79°F (22–26°C)
pH: 6.0–7.5
GH: 2–12
Tank Size: 10+ gallons
Pygmy Corydoras should always be kept in groups of 6–10 or more for natural behavior and reduced stress.
Pygmy Corydoras are omnivorous bottom feeders. They accept high-quality sinking micro pellets, wafers, and frozen foods such as baby brine shrimp, daphnia, and cyclops. Despite their small size, they are active feeders and benefit from regular, varied meals.
Extremely peaceful and community-friendly, they do well with:
Small tetras and rasboras
Otocinclus catfish
Dwarf shrimp
Other gentle nano fish
Avoid aggressive or large fish that may intimidate or outcompete them.
Scientific Name: Corydoras pygmaeus
Common Name: Pygmy Corydoras
Shipping Size: 0.5–0.75 inches
Adult Size: ~0.75–1 inch
Temperament: Peaceful
Diet: Omnivore
Swimming Level: Bottom to mid-water
Schooling: Yes (6+ recommended)
Lifespan: 3–5 years
Pygmy Corydoras are an excellent choice for aquarists seeking a nano-sized, peaceful, and active schooling catfish. Their unique behavior and compatibility with planted tanks and shrimp make them a standout addition to any freshwater aquarium.
