Maculifer Cory

Geographic Origin and Biotope: Endemic to Brazil, specifically the Tocantins and Araguaia river basins. Populates moderately flowing rivers, with both clear and turbid waters, where the substrate is mainly composed of banks of pure, fine sand covered by sparse foliage.

Taxonomy and Morphology: Medium-sized (5.5 cm / 2.2 inches). Belongs to the morphological group of long-snouted Corydoras. The tapered cranial conformation gives it an advantage in sinking its head almost entirely into the sand to flush out prey.

Social Behavior: Active and tireless forager. Natural schooling behavior is obligatory: it requires groups of 6 to 10+ specimens to overcome the shyness induced by predatory shapes. Males often show harmless hierarchical parades.

Coloration and Sexual Dimorphism: "Dotted" livery: on a pale background (cream or silvery) stand out 5 to 7 longitudinal lines formed by distinct and precise black spots (maculifer = spot-bearer). No black saddle. Females appear markedly taller and more robust, especially at maturity.

Aquarium Setup: The use of quartz or sharp gravel is absolutely forbidden: they require tanks with a strictly silica sand bottom to avoid destroying the barbels. Add smooth branches and a few flat rocks to create natural shaded areas without impeding free swimming on the bottom.

Diet and Feeding: Digging micropredator. The diet must be calibrated with sinking protein tablets, but above all it cannot ignore abundant integrations of live or frozen food (red mosquito larvae, bloodworms, tubifex, and brine shrimp).

Water Quality: Temperature 22-26°C (72-79°F). Medium/low water hardness (GH 2-12). Slightly acidic or neutral pH (6.0 - 7.2). The organic degradation of the tank will cause asphyxia and fin clamping in a short time.

Compatibility and Tankmates: Excellent for South American community aquariums. Ideal with schools of small and medium Tetras, dwarf Cichlids (Apistogramma, Mikrogeophagus) provided they are not territorial during breeding. Avoid Loaches and large Loricariids that would deprive them of food.

Aquarium Reproduction: Extremely rare in captivity. Prompted by cold thermal shocks. Couples, in a T-position, lay a few large sticky eggs on vegetation or glass; parents show a strong inclination to prey on their own brood if not separated.

Risks and Diseases: Necrosis of the barbels caused by unsuitable substrate (roughness) condemns it to certain death by malnutrition and systemic bacterial infections. Severe lethality associated with Copper-based (Cu) treatments.