Concolor cory - Corydoras concolor

Scientific name: Corydoras concolor

Common name: Concolor cory

Family: Callichthyidae

Usual size in fish tanks: 5 - 6 cm (1.97 - 2.36 inch)

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Recommended pH range for the species: 6.2 - 7.4

Recommended water hardness (dGH): 3 - 14°N (53.57 - 250ppm)

0°C 32°F30°C 86°F

Recommended temperature: 21 - 26 °C (69.8 - 78.8°F)

The way how these fish reproduce: Spawning

Where the species comes from: South America

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Bottom levels

Food and Feeding

The Concolor Cory (Corydoras concolor) is an omnivorous bottom-dweller that thrives on a balanced diet of high-quality sinking pellets, flake food, and algae wafers. To keep them in peak condition, supplement their diet with protein-rich treats such as bloodworms and brine shrimp once or twice a week. This varied diet not only enhances their coloration but also supports their overall health. Feeding small amounts twice daily is ideal, ensuring the food reaches the bottom where they can easily forage.

Origin

The Concolor Cory originates from South America, particularly in the Rio Parguaza region of Venezuela. These rivers and streams are typically slow-moving, with soft, slightly acidic water and sandy or muddy substrates where these cories naturally graze for food. Replicating this environment in the aquarium can help them feel more at home and display natural behaviors.

Sexing

Sexing Corydoras concolor is relatively straightforward. Mature females are generally rounder and plumper than males, especially when carrying eggs. Males, on the other hand, tend to have a taller, more pronounced dorsal fin. Observing these physical traits can help distinguish between males and females for breeding purposes.

Breeding

Breeding Concolor Cories can be achieved by providing soft, slightly acidic water with a stable temperature in the mid-range of their comfort zone, around 24°C (75°F). The female will lay her adhesive eggs on a flat surface, such as a plant leaf or aquarium glass. After 4-5 days, the eggs will hatch, and the tiny fry can be fed with infusoria or newly hatched brine shrimp until they grow large enough to accept finely crushed flake food or micro-pellets. Regular water changes and high water quality are essential for the successful rearing of the fry.

Lifespan

With proper care, the Concolor Cory has an expected lifespan of around 5 years, though some may live longer in well-maintained tanks. Consistent water quality, a varied diet, and a peaceful environment contribute significantly to their longevity.

Tank Requirements

The Concolor Cory is a social species that should be kept in groups of at least 6 to mimic their natural schooling behavior. A minimum tank size of 75 liters (20 gallons) is recommended to allow for both hiding places and open swimming areas. Provide a sandy or fine gravel substrate to protect their delicate barbels and avoid sharp decorations that could cause injury. Adding driftwood, smooth rocks, and plants to the tank offers both hiding spots and security, helping them settle in and feel at ease. Soft to moderately hard water with a pH between 6.2 and 7.4 and a temperature of 21-26°C (70-79°F) is ideal for keeping them comfortable and healthy.

Short Description

The Concolor Cory (Corydoras concolor) is a hardy and peaceful species from the rivers of Venezuela. Known for their resilience, they make an excellent choice for community tanks with other peaceful fish. Their unique coloration, peaceful nature, and easy-care requirements make them ideal for both beginner and experienced aquarists. These cories prefer to stay in groups and enjoy a tank setup with both hiding spots and open swimming areas, where they can display their active and social behaviors. Their bottom-dwelling habits and gentle temperament add to the diversity and harmony of community aquariums.