Bronze Corydoras Care Guide

Corydoras aeneus · Freshwater Fish

Bronze Corydoras
AI-generated illustration of Bronze Corydoras
Temperature
72-82°F
pH
6.0-8.0
Adult size
~5″ (12.7 cm)
Suggested tank
20+ gal
Group size
6+ together
Origin
S. America
Family
Callichthyidae

What Bronze Corydoras look like

Corydoras aeneus, commonly known as the Bronze Corydoras, exhibits a robust, laterally compressed body that can reach a maximum adult size of approximately 5 inches (12.7 cm). The species displays sexual dimorphism, with males typically being smaller and more slender than females, which are more rotund, especially when gravid. The body is covered in bony plates, providing a defensive adaptation against predation, and features prominent barbels that aid in foraging along the substrate. The coloration is a striking metallic bronze or greenish-grey, devoid of spots or stripes, which enhances its camouflage against the riverbed. Notable morphological features include a well-developed adipose fin and a distinctive lateral line system that facilitates sensory perception in turbid waters, as well as a small, terminal mouth adapted for benthic feeding.

Behavior & temperament

Bronze Corydoras are social fish that thrive in groups, exhibiting a strong tendency to form schools, which provides safety in numbers against potential predators. They are primarily benthic dwellers, foraging along the substrate for food. Their breeding behavior is characterized by egg scattering, where females release eggs onto flat surfaces, often in the presence of males that fertilize them externally. In terms of temperament, they are generally peaceful and exhibit low aggression levels, making them ideal candidates for community tanks. They engage in playful behaviors, often seen darting about in their schools, and display a hierarchy within groups, with dominant individuals asserting themselves during feeding and breeding.

Diet & feeding

In the wild, Bronze Corydoras are omnivorous, feeding on a varied diet that includes detritus, small invertebrates, and plant matter. In captivity, they require a balanced diet consisting of high-quality sinking pellets, frozen or live foods such as bloodworms and brine shrimp, and occasional vegetable matter to ensure optimal health.

Behind the name

Corydoras (from Greek 'korys', meaning helmet; 'doras', meaning skin); aeneus (from Latin, meaning bronze or copper-colored).

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Bronze Corydoras?

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