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Thanks to Kyllian. As stated by Horlack's scientific article
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francais anglais
Corydoras punctatus

Spotted Cory
(Corydoras punctatus)

Corydoras Punctatus is not the most common species in its family. However, like all Corydoras, its benefits are numerous. For example, it may live in a community aquarium and will be a good species to start aquariums.

Learn all about Corydoras Punctatus on this sheet!

Scientific name

Corydoras Punctatus

Common name

Spotted Cory
Spotted catfish

Origin

what are its countries of origin?

Origin: South America (Suriname, Brokopondo district, Suriname River, French Guiana)
Biotope: Amazonian

Dimorphism

what are the physical differences between males and females?

Not very apparent. The male is slightly smaller (-5 mm) and slimmer than the female

Group

Group

Callichthyidae

Volume

what is the minimum volume for this species?

120 L / 26 imp gal / 32 US gal

Water parameters

what is the minimum volume for this species?

T°: 22 to 26°C or 72 to 79°F
pH: 6.5 to 7.5
Hardness: 5 to 19°dGH

Difficulty

difficulty

Easy

Size

what is the maximum size of this fish?

6 cm (2.4")

Life expectancy

what is the average life expectancy of this fish?

4 to 6 years

Living zone

in which area of the aquarium does this fish live?

Middle and depth

Individuals

sociability of the species

6 or more

Food

How to feed this Corydoras?

Food

How to feed this Corydoras?

This fish is omnivorous with a detritivore tendency. It will accept all the foods that will be offered to him. Make contributions in plants (cucumber, zucchini, poached or boiled spinach, peas...) and live or frozen prey (bloodworms, mosquito larvae...). Prefer to give him its daily ration in two meals: morning and evening.

Corydoras must be fed specifically. Indeed, they will not survive just by eating the few crumbs of the other fish in the tank. If your fish are hungry, they are not eating enough! If your Corydoras are struggling to eat because other fish in the aquarium are faster, distribute their meal when the lights go out and watch if your Corydoras eat well.

Behavior

What kind of behavior does this Corydoras have?

Behavior

What kind of behavior does this Corydoras have?

Its first characteristic is of course its highly developed gregarious instinct. The Corydoras Punctatus must therefore live in a shoal of several individuals. Regarding this point, it is estimated that:
group of 6 to 8 individuals: strict minimum
group of 9 to 13 individuals: correct viability
group of more than 14 individuals: behavior similar to natural

Indeed, in the wild, the Corydoras live in a shoal of several hundred members! Note that 3 or 4 fish do not form a shoal, count rather 6 individuals minimum. If it is alone or with too few of its peers, it becomes stressed and this makes it quite susceptible to diseases.

Peaceful and calm, it is a bottom fish that likes to swim in the middle part of the aquarium where there is more current or along the windows of the aquarium. However, from time to time, it sometimes leaves this area at full speed to swallow a bubble of air on the surface.

Il ne rentre jamais en conflit, ni avec ses congénères, ni avec d’autres espèces.

If your Corydoras are completely inactive during the day, it may be due to a problem of cohabitation (other species intimidate them), a too small number of individuals, an unsuitable aquarium or a current too weak. Check these points and you will see your Corydoras activate even during the day!

Cohabitation

Who can live with this Corydoras?

Cohabitation

Who can live with this Corydoras?

A community aquarium is accepted (it ignores the other occupants of the aquarium).

However, do not combine them with other gregarious bottom fish, except in very large aquariums. Cohabitation with a common Pleco (30 cm or 12 inches!) Is also to be avoided because it shares the same area of life and it can accidentally hurt a small Corydoras. Attention also to the predation of big fish.

Choose very quiet roommates because Corydoras are easily intimidated by species that are too bright or too big. It cohabits easily with the other fish of the Amazonian biotope living in the same geographical area as him, such as the Ember Tetra will make perfect roommates.

Breeding

How to breed this Corydoras?

Breeding

How to breed this Corydoras?

The breeding of Corydoras Punctatus is possible in aquarium. You can provide a group of 2 to 3 males for 1 female.

The breeding aquarium (50 L / 11 Imp Gal / 13 US Gal) will have a small filter, a soft light, a temperature around 24/28°C 75/82°F and a ph at 6/7. Prepare the parents for spawning by feeding them with live or frozen prey (like mud-worms). Finally, a good water change with cooler and softer water should do the rest. Remove the parents and lower the water level once the laying is complete.

For more safety, you can treat eggs with methylene blue.

Its aquarium

Which aquarium for this Corydoras?

Its aquarium

Which aquarium for this Corydoras?

In general, two parameters are essential for the Corydoras aquarium: a non-cutting substrate and good filtration generating current.

Firstly the soil: it is imperative to use very fine gravel or sand (like beach sand). Indeed, it was discovered in early 2018 that sand played a key role in the oral hygiene of Corydoras. In addition, by swallowing this sand at full speed and spitting it by their gills in order to look for food, the Corydoras get rid of any parasites that could be fatal to them. It is imperative to avoid sharp ground like quartz, which damages the barbels of your fish, and is going to mutilate them completely.

Then the current: more than the length of the facade, it is especially the current that is important in an aquarium for Corydoras. Indeed, they are excellent swimmers and are... athletes! So, steer a strong current on the "middle" area of the aquarium, leave the bottom and the surface with a little less current. You will see your Corydoras feast on going swimming against the current in this area (if no other species intimidates them)! For everyone to rest, lower the intensity of the current during the night or stop it.

As for decoration, if you want to recreate the natural environment of the Corydoras Adolfoi and promote its well-being, create a decoration with driftwood roots that will form beautiful hiding places and do not plant too much. You can add alder fruits and dried leaves to the aquarium, which will have a nice natural effect (you will have to renew them before they rot). You can leave on a proportion of 50 to 80% of sand beaches essential for the search, 30 to 40% of wood and 10 to 20% of plants. If your fish are comfortable in your aquarium, they will not hesitate to move. A Corydoras that does not swim is a fish uncomfortable in its environment.

For plants, choose sturdy plants with slow growth and broad leaves. As fertilizer is strongly discouraged in an aquarium in Corydoras, opt for plants that do not require this type of feed.

Whatever your choices in terms of layout, still keep enough sandy beach to Corydoras so they can search the substrate.

Corydoras are quite sensitive to water pollution. Make water changes of 10 to 20% of the volume per week.

Good to know

Good to know

Find all additional information!

There are over 200 species of Corydoras! Moreover, it should be noted a risk of hybridization between Corydoras of the same line.

Corydoras are often considered "cleaners". It is true that they are scavengers but they will never replace the work of the aquarist! For example, they do not eat their excrement or those of other fish. Thus, these fish are often bought for "practical" purposes (which remains questionable) to the detriment of their welfare. But you will understand, the Corydoras are nice fish that deserve all your attention!

Corydoras punctatus has no scales, which makes it particularly sensitive to salt, chemicals and drugs. This also requires maintenance, clean water and stabilized parameters (do not introduce Corydoras in immature aquariums). IT IS NOT RECOMMENDED TO PUT FERTILIZER in a container containing Corydoras. If you notice signs of stress, such as fast breathing and then lethargy (stay still, sometimes near the surface), immediately change 50% of the water (provide a good water conditioner). Be careful, the new water must have the same parameters as the tank, including the temperature. If you isolate your sick fish, it may wilt even faster. Try to stick the hospital tray to the main aquarium so that the sick Corydoras can see its congeners.

Like all Corydoras, this species is able to swallow an air bubble on the surface. Indeed, it is a kind of "intestinal" breathing that allows the fish to supplement its oxygen supply when necessary.

Its barbels are used to search the ground for food. It is because of these "whiskers" that Corydoras are called "catfish". It also has backbones capable of piercing human skin. The bite of a Corydoras can be quite painful, so be careful when handling.

This species of Corydoras is not very widespread in aquariums. It is often confused with C.julii, C.leopardus and C.trilineatus.

Verified by the experts

Thanks to Kyllian. As stated by Horlack's scientific article
> read

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