how to breed cory catfish

How To Breed Cory Catfish?

How to Breed Cory Catfish? Corydoras are otherwise called cory catfish. They are freshwater fish that is incredibly well known with aquarium enthusiasts from one side of the planet to the other. What is especially appealing about these fish is that they are extremely friendly and jump at the chance to be kept in groups of 6-7 or more of their own species as well as different breeds of fish. These kinds of fish groups are called schools.

In the event that you have a tank loaded with corydoras, count yourself exceptionally fortunate! You will actually want to acquaint other comparable unpredictable fish with the aquarium without getting any difficulty from your cory catfish. As a matter of fact, in the event that you have tetras or other comparative colored fish in the tank, the cory catfish will swim with them energetically.

One more advantage of having a school of cory catfish in your aquarium is that they will assist with keeping your tank clean. Corydoras are bottom feeders. This implies that they burn through a large portion of their lives at the bottom of the tank, searching for leftover food and other garbage to snack on. Bottom feeders, as a rule, are extraordinary tank allies for untidy fish and make your life that a lot simpler with regards to cleaning the tank.

Corydoras is the logical name for cory catfish. We will allude them by the two names all through this article, so don’t get confused. Most fish have a logical name as well as a ‘road’ name, for this situation, the logical name and road name are comparably ordinarily used.

Corydoras Fun Facts

how to breed cory catfish
how to breed cory catfish?
  1. Female corydoras are somewhat larger than guys. They can grow up to 3 inches long, while the guys reach generally 2.5 inches.
  2. Grown-up cory catfish don’t have teeth. You might see small teeth-like edges on hatchlings and youthful cory catfish. They before long lose those child’s teeth and are left as sticky grown-ups.
  3. Cory catfish live for a limit of 5 years. They will possibly arrive at this age assuming you keep them cheerful and healthy. Remember that the bliss of your fish is similarly all around as important as their wellbeing.
  4. Corydoras can’t get pregnant. They are egg-laying fish, so they don’t bring forth live hatchlings.
  5. Corydoras aren’t particular with regards to their food, they will eat the two plants and meat.
  6. They love to eat, however, ensure their supper sinks to the bottom of the tank. Cory catfish are somewhat lethargic and would prefer their supper comes to them.
  7. There are 161 perceived types of corydoras.
  8. Corydoras like to eat zucchini and squash from time to time.
  9. Corydoras can inhale barometrical oxygen through their posterior digestive system and will frequently surface to deeply inhale air.

Where Could Corydoras Found in the Wild be?

You won’t track down these fish in the ocean, all things being equal, they are in lakes, streams, waterways, and bogs. They lean toward a sluggish progression of water. Cory catfish are local to South America. The main thing for corydoras is to be arranged in shallow and cloudy water.

Corydoras were found between 1831- 1836 by, in all honesty, Charles Darwin. Charles Darwin coincidentally found these little fish on his 5-year popular journey on the Beagle. Great job Charles!

What Makes Corydoras So Special?

how to breed cory catfish 1
how to breed cory catfish?

These fish are so famous because of their laid-back, agreeable nature. They don’t request too a lot and won’t cause a fight among other fish species. Cory catfish even become a close acquaintance with other fish species.

As we referenced before, they love to benefit from other fish’s leftover food, from the substrate, helping with keeping their current circumstance clean. Bottom-abiding fish are truly important when you have a sand or rock substrate in your tank. This is because they are continually moving the substrate around, filtering the water as they continue on ahead.

Tanks that don’t have a bottom-staying fish should be cleaned and taken care of somewhat more regularly, especially assuming there is a sand substrate in the tank. Sand will discolor rapidly and risky gas pockets form in the sand on the off chance that it isn’t taken care of by a bottom tenant. Raking the sand with your hand once in a while will assist with dialing this process back.

Corydoras And Egg Laying

Corydoras, in the same way as other producing fish, tend to eat their own eggs. Therefore, it is important to isolate the cory catfish from the eggs when the eggs have been laid, and then it is over to generate a meeting. The main piece of caring for the eggs is really guaranteeing the grown-up fish are out of the tank ASAP to forestall the corydoras from eating their fry.

Corydoras eat their own fish in the wild too. This is their approach to controlling their populace. We are uncertain if corydoras eat eggs that they believe are hereditarily impeded or on the off chance that they get it done as an endurance intuition.

The fry tank and the breeding tank can be something very similar. In spite of the fact that corydoras can bring forth in their normal local area tank, it is best to move them so you don’t need to deal with the eggs.

Ensure that the breeding/sear tank is completely cycled before inciting your fish to breed. This tank ought to be basically as straightforward as could be expected, no requirement for extravagant accessories in your breeding tank as that simply makes it a lot harder to clean.

Corydoras eggs require only 3-5 days to incubate, subsequently the important of having a breeding tank prepared and cycled. Assuming that you are experiencing difficulty cycling your tank, use a decent water conditioner and beneficial bacteria to speed up the process a bit.

Cory catfish females will swim with their fertilized eggs to a flat surface for depositing. They like to put the eggs on something delicate like greenery.

When Are Corydoras Old Enough to Mate?

how to breed cory catfish.
how to breed cory catfish?

It is presumably best to hold on until your corydoras are a year old before breeding them. This ensures you don’t burn through your time endeavoring to breed fish that aren’t as yet sexually mature.

The demonstration of generating can be very upsetting for fish in the event that they are not sexually mature. Another justification for why breeding your fish prematurely is an ill-conceived notion. Almost certainly, your male corydoras will be sexually mature between 6-9 months old, however, attempt and avoid breeding them this from the beginning.

Ensure your corydoras are no less than 2.5 inches well before breeding them, regardless of whether they are a year old. All things considered, fish mature at various rates, and size is the best indicator here.

To get your corydoras populace up as fast as could really be expected, you will very much love to realize that they are incredibly simple to breed. You might even get between 15-20 healthy fish from one bringing forth meeting. Splendid!

How Often Can You Breed Corydoras?

You can breed your corydoras at whatever point you like as long as you adhere to the accompanying directions for planning.

  1. You clearly need to pick healthy fish. This might appear like an easy decision, however, at times the fish are not in the best condition for breeding. Assuming you have needed to sedate your fish for any explanation I would recommend holding up a couple of more weeks before beginning the breeding process to ensure healthy offspring.
  2. Then, you want to reevaluate where your breeding/sear tank is to be arranged. Assuming it is close to a window you should remember that regular light and outside temperatures will disrupt the breeding exercises in the aquarium. Attempt and move the breeding tank to a tranquil, dark area of the room so you have command over the light. (13 hours of delicate light each day is awesome)
  3. Place a little concealing spot in the tank. This can be something super basic like a huge plant or a cavern or some likeness thereof (broken coconut shells are extraordinary for corydoras).
  4. Ensure the tank conditions are ideal. The water PH level ought to be somewhere in the range of 6 and 8, and the temperature between 75-78 degrees Fahrenheit. Ensure that you perform half-day-to-day water changes so the water remains clean. The water ought to be pretreated before placing it in the tank with the fish to keep away from ‘new tank disorder.
  5. Try not to attempt to breed each corydoras couple in turn. As we referenced before, they are incredibly friendly and won’t ‘get in the temperament’ in the event that there is only a couple of fish in the tank. All things being equal, have 3 or 4 females and a similar measure of guys together in the breeding tank and watch the wizardry occur.

You need to have a larger aquarium arranged, cycled, and good to go when your new fry is fit to be populated would it be advisable for you to observe that your tank isn’t huge enough for additional associates. You will have around 4 to 5 weeks from when the eggs are laid to when the fry is fit to be moved in with the remainder of the family.

Kindly note that brand new tanks can require up to about two months to cycle. It likewise isn’t a process that can be hurried. More often than not, with the right tank conditioners, beneficial bacteria, and adequate hardware it will be a little speedier. In any case, plan for the worst conceivable result and you will not get any shocks or run into obstacles en route.

For Your Information: New tank condition is the point at which an aquarium has an immature or inadequate filter system. Beneficial bacteria are crucial for the fish to ensure ammonia levels are kept low. Huge water changes can eliminate the beneficial bacteria and cause the fish to become ill assuming that the substitution water is too ‘new’.

Tank Conditions For Breeding Corydoras

how to breed cory catfish...
how to breed cory catfish?

Cory catfish need a tank that holds roughly 30 gallons of water, despite the fact that they are just little fish. Think about it thusly, corydoras like to live in schools and can be kept with other fish species and plants. This requires a ton of tank space, along these lines having a tank large enough is vital to keeping your fish in the best condition.

The interesting part about keeping a ton of little fish together in a tank is they like to swim around one another. Larger fish will quite often be somewhat lazier than small fish, something that fishkeepers don’t expect from the beginning.

The tank might look large enough for your fish, yet view how they act in the tank. Assuming they are continually looking frightened and as though they are attempting to move away from each other, you ought to consider a bigger tank.

In the breeding tank you will require the accompanying:

A Heater

Corydoras are especially touchy to temperature changes in the water. Having a solid heater will ensure your it is glad to breed fish. In the long run, when the eggs are laid and the fry hatch, the water temperature will be significantly more important.


Canister filters are a good decision, you can likewise go for a wipe filter assuming you like.

Good Lighting

If you have any desire to go hard and fast and toss in a couple of live plants, LED lights are an absolute necessity. In addition, they truly do make the tank look a lot more pleasant. The lights will assist you with recognizing the eggs and sear assuming that they are stowing away in there.


Consider the tank’s substrate your beautiful comfortable cover. It’s super important to you, correct? That is how the corydoras feel about sand. Something besides sand will harm the fish and cause them discomfort. That absolutely will not inspire them to breed effectively.


Try not to get out of hand on the vegetation in your breeding tank. Having a couple of all-around managed plants in the aquarium will cause the fry to feel more secure in their initial not many days. Java greenery, sepulchers, and pennywoods are good plants to have in your breeding tank.

Identifying If Your Corydora Is Male Or Female

You can not really differentiate between male and female corydoras when the fish are sexually immature. All things considered, not except if you are a cory catfish master, obviously.

Hold on until the cories are a year old, or 2.5 inches long, and notice them in the aquarium. You will see that a few look somewhat thicker and chunkier overall. These are females. In correlation, the males are super thin and seem to be more youthful fish.

Do Corydoras Change Gender?

Corydoras don’t change sex. In the event that they are born male, they will remain male for their other lives, and the equivalent goes for females. Any supposed orientation changes are absolute because of a mixed-up personality.

What To Do When Corydoras Lay Eggs

When the corydoras have laid their eggs, remove the grown-ups from the breeding tank and spot them back in the populace tank. You can either leave the eggs in the breeding tank and deal with them there or move the eggs into a fry tank.

Either technique works splendidly, however, less experienced cory catfish breeders ought to try not to deal with the eggs altogether as they are extremely delicate. However long the breeding tank is somewhat insignificant and cleaned up, the fry will be exceptionally blissful in the tank once the eggs hatch.

How To Look After Corydora Fry

When your fry hatch, they won’t should be taken care of for around 23-48 hours as they actually feed off the leftover yolk sack in their stomachs. When you notice the fry begin to wriggle and snicker about more than expected, you should take care of them two times a day.

Newborn fry will just require powder food in their first seven-day stretch of life. When the fry has grown a short while (following a week or so of dry food) you can present either live or dead protein. Child saline solution shrimp are a delicacy for cory catfish. On their third or fourth seven-day stretch of life, you ought to begin to take care of their frozen daphnia.

You might see a fry or two are not exactly as solid as the rest, or perhaps they are marginally deformed. In the event that you are breeding your fish for your pleasure, leaving more fragile fish with hereditary issues is fine. Assuming you need solid fish that will be reasonable to breed later on then this more fragile fry ought to be isolated from the rest.

At the point when your fry is enormous enough to move into everyone’s tank, ensure the tank is large enough to house all of the fish. In the event that you don’t have a huge enough tank and don’t wish to have a bigger tank, part with some fish.

So that’s it. Your total breeding aide for the cory catfish. You can follow these tips for all the cory catfish species. We truly want to believe that you have found this information supportive. Cheerful breeding!

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