Corydoras paleatus

Aquarium fish: Corydoras paleatus (Corydoras paleatus)
Size: 7 cm
Origin: South America
Water temperature: 20-26 ° C
Aquarium volume: 54 l

Corydoras paleatus (Corydoras paleatus) – one of the most popular cuirass in aquariums.


Kirysek Pstry comes from South America . It lives in streams and rivers in the upper Parana basin and coastal zones of flowing waters in parts of Brazil and Uruguay.

Characteristics and disposition

They reach a length of 7 cm. They have dark gray spots on the brownish torso, which sometimes merge into a long strip.

Males are slightly smaller than females, they have larger and sharply ended dorsal fin. Fish from the harvest are much better colored than the breeding form. There is also a variety with longer fins and an albino . Kiryski are easy to maintain and sociable, they feel best in a group, also in other kirysków. Recommended min.

is 6 pieces.

Nutrition and feeding

Kiryski eat a variety of food that sinks to the bottom, dry, live and frozen, supplemented with plant food.


Aquarium at least 54l, not too densely planted, well-filtered, equipped with numerous hiding places made of roots and stones. Fish should be provided with a soft base with smooth edges. The most suitable sand is that they can sift for food.

The water in the aquarium should not be too warm. They do not tolerate temperatures above 29 ° C poorly . We can keep them with other gentle fish of similar size, e.g. heller’s gladiolus , spur mole , neon innesa .


Reproduction is relatively easy and often happens without our intervention.

If we want to have more control over reproduction, you will need a spawning aquarium with dimensions of at least 45x30x30 cm. We transfer the spawners to the reservoir and feed them generously with live or frozen food for several days. There should be at least 2 males for each female. A large change of cooler water will encourage the fish to spawn. This operation may be repeated for several days.

Before spawning, the cuiras become more active, e.g. they swim continuously up and down along the front glass of the tank. The act itself is very interesting. The male chases the females all over the aquarium. When she is ready for breeding, she collects sperm from the male and fertilizes the eggs between her anal fins.

The roe is then glued to plants, glass or other elements of the aquarium, and then returned to the male. The whole process is usually repeated about 4 times. Spawning takes about an hour. The female can spend between 250 and 400 eggs. Hatching takes 4-6 days.

Kiryski are not considered to be fish that eat their own eggs, but it is best to separate adult fish so that they do not damage it while swimming. We feed the fry with small foods, e.g. brine shrimp larvae, tubers. To prevent mold from the roe, you can add a few drops of malachite green. The key to rearing fry is to maintain appropriate water quality (frequent changes).


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