Bronze Corydoras – Care, Tank Mates, Breeding, Feeding & Details!

Bronze Corydoras (Corydoras Aeneus) also known as Green Corydoras or Bronze Catfish is a freshwater tropical fish from the Shell Catfish family.

According to modern research, the fish is a morph of the golden or bronze color and hence it was named Bronze Corydoras (Corydoras aeneus).

They are found in several separate reservoirs of Venezuela – the Rio Tuy river system and Lake Valencia. Some scientists consider this fish as a separate species.

Bronze Corydoras are easy to keep as they are not very demanding in maintenance, help to keep the aquarium clean, and some also have amazing colors.

Quick Stats

Scientific Name: Corydoras aeneus
Care Level: Easy
Temperament: Peaceful
Lifespan: 5 Years
Size: 0.75-4 Inches
Diet: Omnivorous
Family: Callichthyidae
Minimum Tank Size: 10 Gallon
Tank Set-Up: Freshwater with fine substrate
Compatibility: Peaceful fishes

General Information

Despite the disputes of taxonomists, Bronze Corydoras is one of the most attractive fish from the catfish family. Although in many regions it is rather difficult to purchase, and the price, at times, is quite high compared to the more popular relatives.

The main feature of the Bronze Corydoras is its stunning body color. The fish will never go unnoticed, thanks to the orange spots on the body, which contrast well with the metallic sheen of the rest of the scales.

Like other fish of this family, Bronze Corydoras are less demanding in care and gets along well with most types of tropical ornamental fish.

These bronze catfish are characterized by intestinal respiration, so fish need to float to the surface of the water from time to time to take another breath of air.

If the fish begins to do this very often, then this signals a problem in the aquarium – there is no aeration or the water quality has deteriorated.

Appearance

The Bronze Corydoras has a characteristic body shape. It is short, with a rounded abdomen and a convex back. On the sides of the body, rows of plates are distinguished, forming in the catfish a kind of carapace.

The lower mouth is surrounded by three pairs of antennae, which are the organs of touch and help catfish navigate in troubled waters. It is also a great tool for digging up soft soil.

The main body color is rusty orange. A large black (green) spot with a characteristic turquoise hue is located under the dorsal fin on both sides.

On the head is a bright red spot. The species is not large, the average size is about 5 cm, so you can keep these catfish even in nano-aquariums.

Bronze Corydoras life expectancy is up to 10 years.

Habitat

The homeland of the Bronze Corydoras is South America. The fish lives mainly in the Rio-tui river basin and Lake Valencia, which are located in the northern states of Venezuela.

Bronze Corydoras prefer cool mountain water with a fast flow and does not likes living in slow-moving water or the plain areas. The water temperature in such reservoirs rarely rises above 24 ° C.

The bottom is strewn with fine sand or pebbles, as well as stones that become rounded under the influence of the current.

Care and Maintenance

It is recommended to keep bronze corydoras in a group of 6 or more fish as these are schooling fish. Given the small size of the fish, a large aquarium is not needed for this, a capacity of 40 liters or more will be sufficient.

Make sure that there are no floating plants in the aquarium as these corydoras go to the surface of the water for breathing purposes.

Particular attention should be paid to the soil. It should not be large and have sharp edges. Otherwise, the fish can damage their delicate antennae. Coarse river sand or rounded pebbles of small diameter are best suited.

It is recommended to decorate the aquarium with natural decorations like stones, scabs, and living plants. Do not forget to organize small shelters where fish can hide as necessary. It is worth noting that you can choose any kind of vegetation because catfish will not do any harm to it.

Bronze Corydoras love clean water, so install a filter that is suitable for power in the aquarium; the flow can be moderate or strong. Good aeration is also important.

These catfish do not like bright lighting thus keep dim lighting in your aquarium.

Once a week, replace 20% of the water in the aquarium with fresh water. If you use tap water, before adding to the aquarium, do not forget to prepare it using the Tetra AquaSafe water conditioner, which will instantly eliminate dangerous compounds (chlorine, heavy metals) and enrich the water with useful vitamins.

The optimal water parameters for the aquarium are:

Temp = 22-26°C
pH = 6.0-7.5
GH = 7-20.

Bronze Corydoras Tank Mates

Bronze Corydoras is an absolutely peaceful catfish, which is perfect for a general aquarium with small tropical fish. You can keep Bronze Corydoras with neon tetra, Celestial Pearl Danio, Threadfin Rainbowfish, harlequin rasbora, Otocinclus Catfish, etc.

Keeping these catfish with large and aggressive fish is not recommended because they pose a real threat to catfish. Corydoras can attack small shrimp, but with adult individuals, such problems do not arise.

Feeding Bronze Corydoras

Bronze Corydoras is an excellent fish when it comes to eating in the aquarium because it will eat up any leftover food that sinks to the bottom.

However, it is better not to give them live and frozen food in the diet so as not to accidentally introduce infection into the aquarium. Also, such feeds are unbalanced and can degrade water quality in a short time.

The best choice is a specialized feed for catfish. They are tablets or plates that quickly sink to the bottom, which excludes their eating by other fish. Tablets for a long time retain their shape and do not spoil the water.

Dry feeds completely satisfy the need for corydoras for nutrients, and the vitamins and herbal supplements that makeup strengthen the immunity of the fish, ensuring the longevity of your pets.

Breeding Bronze Corydoras

Bronze Corydoras breed at the age of 8-12 months. Sexual dimorphism is not expressed, females are usually larger and their abdomen is rounder.

It is better to initiate the breeding process a separate spawning aquarium equipped with an airlift filter. Spawning is preferable to the group – for 2-3 males there should be one female.

A week before the alleged spawning of heterosexual individuals, it is recommended to divide and feed plentifully.

Frequent small water changes perfectly stimulate spawning activity. Males begin to quickly pursue females. When the female is ready for mating, one of them becomes sideways in front of her and releases her milk.

Their female collects in her mouth, after which she searches for a suitable place, lubricates it with milk, and glues eggs. This process continues several times. The fertility of a female can reach 200 eggs.

When the spawning comes to an end, the producers are sedimented. The incubation of eggs lasts 3-6 days, depending on the temperature of the water. Fry goes to self-feeding already a day after hatching. Fish actively grow and quickly acquire the color of adults.

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