Lol. Great blog! I’m thinking 3x/day? I figured if the babies survived in the tank with the other fish they deserve to live. I’m glad yours are doing well! One female can lay approximately 20-40 eggs, sometimes less, sometimes more, so please save eggs with this in mind. Carm: The only thing about keeping small fry in the tank is the possibility of other fish eating them. In the breeder net, there is no place to "stick" the eggs, they just fall to the bottom. The males need practice to fertilize and the females need practice handling the eggs. Nature is always going to be better at this than us. She will then swim up and down on the glass, or on a broad-leafed plant, cleaning a place to lay her eggs. Did you know you can safely do 50% water changes every day? My son has a tank with only 1 Cory Doras in there (& no other fish at all for the last 2 months. I’m soooo excited! I acquired a big group of longfin Albinos recently. The eggs will hatch within 3-4 days and the babies will look like two eyeballs with a tail. I have a Betta fish in a 3 gallon tank with a filter, how often should I change the water? julii: named in honour of a person whose identity remains a mystery. I really like them and wouldn’t mind having a few babies but what should I do about the remaining babies ? I always kept mine in a 5-gallon grow-up-tank - the same tank where they were hatched. And of course offer all the fry food. Breeding. Mind you the babies haven’t hatched. Adult corys will also eat the eggs if given the chance. I have white & bluish grey colored cory cat’s. I rase my cories in a tank I keep my mollie breeding stock in. Have you ever bred aneus cories? The two species are very similar and have been crossbred, resulting in hybrids that carry traits of both. After collecting the eggs, I am very unsuccessful in: Hello, Donald. You can tell them apart by looking at the horizontal stripes. It really is very fascinating to observe. thank you for your well put together article - it had all the information I was looking for. Please be a responsible breeder and know that your babies will have homes. I had some of mine lay eggs under fake plant leaves also. It took 5 days but we have 3 tadpoles swimming around the breeder box so far, cute! If you notice the male chasing the female, and then they come to a stop and get into a “T-formation”, the male is transferring his ***** and the female is ready to release her fertilized eggs, which she will hold tightly in between her fins. Confused....What's the range for hardness and pH for julii corydoras? Thank you. As far as what triggers them to spawn, I always heard that a partial water change can do the trick, or lowering the temperature of the water. 10 gallon grow up only half full. Great! The eggs are about 3 days old. Already have too many cories on my sorority to gat a male! The 3 females are very large, the others are half that size. A snapshot from my local shop.The adult is as big as a mans thumb, By entering this site you declare How to Raise Corys the Easy Way, From Egg to Adult, By clicking 'Submit' or otherwise submitting this form you agree to the, By entering this site you declare Caitie, cory eggs need to be fertilized immediately after they are being laid so no, your eggs will not hatch. Many people who breed fish start out with Corydoras catfish. I have been lowering the water temperature slowly over the past week and I have it at 74 degrees F right now. Sterba’s Cory (Corydoras sterbai) You may have to hunt for Sterba’s cory a bit, but it actually ranks as one of the most popular species. Babies. With some species you do small water changes and let the tank get dangerously dirty even lower the water level for as long as you feel is safe so simulate dry season.Then add a ton of fresh cold clean water with live food in it as if the wet season rains have arrived. I moved them to a grow up tank with my tiny guppy fry. During this time, you need to rescue the eggs. Thank you, Carolyn. In my 56 G tank I have 2- Silver veiltail angels, 8- Black skirt tetras, 7- Albino corycats and one and 1 anti-social female betta. Thank you so much, Angellady! I appreciate your kind comments :), I have just witnessed my Albino Cory breeding, so transferred the parents to a different tank as they were in the community one, this tank was not ready for them so has a substrate and plants in it. When the female fish becomes fat with eggs, you should perform significant water renew with 50-70% of colder water and increase aeration and water flow in the tank. Momtoangel. Breeding Plenty of cooler water changes should induce the spawning. I’m gonna try to raise these , hopefully. Very useful guide. That seems to be the preferred place to lay them. From what I have read and seen with my various Corys that's not necessarily. I have to admit that I do not know at what age they actually start breeding, but I suspect they have to be full grown. So... what do you think? I was thinking about adding a piece of PVC pipe to give more hiding spots, but for now I have accepted they are most likely too young to breed at the time I didn't realize how small they were until I was able to lure them to the front of the tank with food and they are less than an inch long. The peppered babies should have spots as soon as they are born. All is good. Exciting! :) Also, if they are in a breeder "net", keep an eye out that they don’t get caught in the corners. 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