False adolfoi cory - Corydoras duplicareus

Scientific name: Corydoras duplicareus

Common name: False adolfoi cory

Family: Callichthyidae

Usual size in fish tanks: 3 - 4 cm (1.18 - 1.57 inch)

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Recommended pH range for the species: 6 - 7.6

Recommended water hardness (dGH): 5 - 19°N (89.29 - 339.29ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 27 °C (71.6 - 80.6°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

False Adolfoi Corys are omnivores with simple yet diverse dietary needs. These small bottom-dwellers readily accept a variety of foods, making them easy to feed. For their primary diet, use high-quality flake or sinking pellets, ensuring they are nutritionally balanced. To keep them healthy and vibrant, supplement their meals with algae wafers and occasional treats such as bloodworms, brine shrimp, and blackworms. These treats not only enhance their health but also encourage natural foraging behaviors. Feed them during the evening when they are most active, as this aligns with their natural feeding habits.

Origin

False Adolfoi Corys are native to South America, specifically inhabiting the upper tributaries of the Rio Negro in Brazil. This region is part of the Amazon Basin, known for its diverse aquatic ecosystem. The waters here are soft and slightly acidic, often shaded by dense overhanging vegetation. The sandy or muddy riverbeds provide an ideal environment for these small catfish, which spend much of their time sifting through the substrate for food. The unique ecosystem of the Rio Negro, with its dark tannin-stained waters and low mineral content, plays a key role in shaping the behavior and needs of these fish.

Sexing

Identifying the sex of False Adolfoi Corys becomes easier as they mature. When viewed from above, females are noticeably larger and have a rounder, plumper body compared to the slender, streamlined males. These physical differences are most pronounced during the breeding season, making it an ideal time to distinguish between the sexes.

Breeding

Breeding False Adolfoi Corys in captivity is both rewarding and straightforward with the right preparation. Begin by setting up a separate breeding tank with soft, acidic water and a sandy substrate. Add plenty of live plants to create a natural, comfortable environment. To trigger spawning, perform regular water changes with cooler water to replicate seasonal rainfall - a key environmental cue in their native habitat. During spawning, the eggs are scattered across the tank, including on plant leaves and glass surfaces. The eggs hatch after approximately five days. Once the fry are free-swimming, provide them with newly hatched brine shrimp or finely powdered fry food. As they grow, transition them to small sinking pellets to meet their dietary needs.

Lifespan

With proper care, Corydoras duplicareus can live for 3-5 years. Maintaining consistent water quality, a balanced diet, and a stress-free environment is essential for maximizing their lifespan.

Tank Setup and Behavior

False Adolfoi Corys thrive in a well-planned community aquarium. Use a sandy or fine gravel substrate to protect their sensitive barbels, which they use to forage for food. Incorporate rocks, driftwood, and aquatic plants to provide hiding spots and mimic their natural habitat. These social fish prefer living in groups of at least five individuals, which reduces stress and encourages natural behaviors. Their peaceful temperament makes them compatible with other small, non-aggressive species, such as tetras, rasboras, and small livebearers. Avoid housing them with larger, aggressive fish that may outcompete or intimidate them.

Short Description

False Adolfoi Corys are a delightful addition to any community aquarium. Their small size, peaceful nature, and striking appearance make them popular among aquarists. These social catfish are active bottom-dwellers that enjoy sifting through the substrate for food. With their easy care requirements and charming personality, Corydoras duplicareus are ideal for both beginner and experienced fishkeepers.