Armored Cory

Adults of this catfish reach about 6 cm in length. The body is white with a pattern of black spots that extends to the tail and dorsal fin. The thickened first rays of the fins are sharp spines, and the scales have transformed into robust plates. These adaptations provide the fish with reliable protection against small predators.

This species inhabits South America, mainly in the Huallaga River basin in Peru, and in the upper Madeira River in Brazil and Bolivia. In nature it lives in waters with soft, slightly acidic or neutral conditions. It prefers sandy-bottomed areas where it leads a bottom-dwelling life.

A peaceful and social species that shows schooling behaviour. To ensure comfort and reduce stress, keep a group of at least 4–6 individuals. It coexists well with small peaceful fish occupying the middle and upper water levels. Avoid keeping it with aggressive or large species that might see these catfish as prey.

Corydoras in general are readily available and straightforward to keep. The armored cory is no exception, making it an excellent choice even for beginners. This undemanding fish adapts to a variety of conditions that mimic flowing rivers or stagnant backwaters and swamps. The exact tank layout is not critical. The key is to provide soft sandy substrate or fine gravel, along with several hiding places created with driftwood or dense plant growth. For feeding, since these catfish spend most of their time on the bottom, sinking foods are preferable because they are reluctant to visit the surface. Their diet can include dry flakes and pellets as well as live or frozen foods such as bloodworm, brine shrimp and daphnia, which are popular in the hobby. These fish coexist well with many non-aggressive species of comparable size. They also prefer to be in groups of their own kind, so it is recommended to acquire them in groups of 4 to 6 individuals.

An omnivorous species that readily accepts quality sinking dry foods in the aquarium, as well as frozen and live foods such as bloodworm or tubifex. The diet should be varied to maintain health. Do not rely on the fish to feed exclusively on leftovers from other tank mates.

Breeding is typical for the genus. Water changes to cooler, fresh water often stimulate spawning. A separate spawning tank is recommended to prevent other fish from eating the eggs. Fry require clean water and fine starter foods.

It is sensitive to water quality and substrate condition. If kept on sharp or dirty substrate, the delicate barbels may be damaged, which can lead to bacterial infection. Prevention includes using fine sand, regular substrate siphoning and timely water changes.

When purchasing, select active fish with clean skin free of visible spots, sores or fin damage. Check that the barbels are intact, as their absence indicates poor keeping conditions. The fish should show natural activity in the bottom zone.