My son has a tank with only 1 Cory Doras in there (& no other fish at all for the last 2 months. Anyway Firefighterfk enjoy every day living with the Corys you have feed them up and they could surprise you one day soon. The eggs will be deposited around the tank, on plants or even the tank glass. Thank you. And of course offer all the fry food. By Firefighterfk, 1 year ago on Fish Breeding & Handling Eggs And Fry. Sexing corys is not very difficult provided they are in well fed and in good condition. What fish could live in a 1/2 gallon tank with no heater or filter? I really enjoyed reading it and learned so much. One question: just fed them Hakari first bites. Tank-bred specimens are rare in the aquarium hobby, but are in high demand due to their spotted markings and peaceful nature. I’ve only had fish about 4 months but already have 4tanks for me and 2 for my kids. First time Cory owner here. I have a row of lava rock along the back of the tank. Lol. In the breeder net, there is no place to "stick" the eggs, they just fall to the bottom. She will lay 2 to 10 eggs each time, but this can and does vary. Exciting! I really like them and wouldn’t mind having a few babies but what should I do about the remaining babies ? Oh i see now, it’s a game of Strategy. Mine have also used the filter, so it’s really just hit or miss as to where they will decide to lay their eggs. Woke up this morning and there were 6 spots of 5 or 6 eggs on the glass. We have raised misquito fish, guppy and platy fry so now hopefully cory cats:)Thanks again! This species is also known as Corydoras julii. Thank you so much for all your help. 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. The Cory’s are 3 females and 4 males. some of the eggs fell to the ground and I could not get them, but I’m hoping I have saved some. At about 4 weeks old, you can drop half of a Hikari Sinking Algae Wafer in the net and also offer them baby flake food. This is where your patience needs to kick in, as it can take seconds to minutes for her to pick the right spot. Females are quite a bit rounder than males. Not sure what you mean? She will then swim up and down on the glass, or on a broad-leafed plant, cleaning a place to lay her eggs. My corys usually lay their eggs in the early morning, and timing on your part is everything - you have to see the corys laying eggs to have any chance of saving them. In your words " mine are quite skittish right now" Thx so much for your blog. It’s like some will some won’t and they all came from same fish. hi, i recently bought 2 corydoras julii for my community tank. I have had zero success at making it happen when I say. Breeding Corydoras. I have slate and 5 or 6 big leaf Anubias plants tied to decorations. How long does it take for them to hatch? I’m soooo excited! Peggy If you make a new post you will get more answers with a variety of ideas. I’ve had mine about 8 months or longer in a shared tropical tank with no other Cory’s. I found this very useful as I nearly scraped them off thinking they were snails eggs. Quite often, this species is mistakenly sold as a far less common cory species, Corydoras julii. 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. Getting multiples of a cheap filter on eBay has worked for me because I can switch the sponges inside out. I have been lowering the water temperature slowly over the past week and I have it at 74 degrees F right now. I have been feeding the tank OmegaOne Shrimp Pellets, OmegaOne veggie wafers, Tetra Granules, and some brine shrimp that I hatched. The smudge around the base of the tail will get a purple-ish sheen in the right light. Awwww, you have to be right there when they are laying eggs or they will get eaten :( Hopefully you will catch them at the right time soon. Corydoras Breeding Stage – Tough Corydoras catfish and their family are egg depositors and are recognized to position their adhesive eggs amongst vegetation and even on the aquarium glass. Before releasing them, cover your filter intake with a filter sponge. A razor blade will remove the egg case. From everything I have read, they can start breeding anywhere from 8 months to a year. But after loosing first 2 batches of babies cause they refused the fry powder I had to try something different. Would you have a moment to read my situation please? Maybe you could put an air stone under the breeder net to provide them with the air flow. Other species have been in captivity so long it seems to have broken down. Thank you for any advice you can give me. The black neons will be going into a cycled 30 G tank with other tetras. The latter approach is suitable if you desire a high fry survival rate. It happened in other tanks with no pushing on my part. Please note that uneaten food is difficult to remove from the breeder net unless you very carefully remove it using a turkey baster, being careful you don’t siphon up any of the babies! When the fry hatch they head to the lava rock and when their comfortable in about a month they start coming out. Julii corys are egg-layers. There were six batches of 20+ eggs eggs following the magical cool water change. After spawning, the breeding pair should be separated from the eggs, or the eggs transferred to another system. a while back i had 4 sterbai who died within a few days of buying them. One question– if they are too young will they just stick to the chasing thing? 10 gallon with 2 julii co... What I've Learnt about Bronze Corydoras Mating Habits. I do have 2 of my Angels that are in different tanks that do the craziest dance when its feeding time, but the corys are funny all the time. Win win! I would suggest adding a little leaf litter then more and more and looking the other way for a few months. Did you know you can safely do 50% water changes every day? 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. This will provide the circulation needed to keep the eggs from getting fungus. Breeding False Julii Corydoras. I always kept mine in a 5-gallon grow-up-tank - the same tank where they were hatched. Just to set the record straight I have a couple of Cory fry at the moment from two different tanks .They are not from my efforts. So my question is does anyone have tips for breeding cories? Once the babies are in their 5-gallon grow-up tank, they can be fed any of the foods adult corys eat, such as algae wafers, shrimp pellets, flake food, and even a pinch of Snail Jello. Leah: That very well could be a sign of "pairing up". The female Bettas like the peppers Shrimp Wafers too. Which corydoras is more compatible with neon tetras... Panda corydoras or A... How Can you tell the sex of a Julii cory catfish? At one time, due to its pretty blue coloration, it was described as Broc… Thanks for the great info. If you roll with evolutionary fishkeeping - studying a little on where they come from and how you can adapt to their needs and behavior, you’ll love this hobby. It's also called Emerald Green Cory or Green Catfish, as well as Iridescent Plated Catfish. I also neglected to add something important in my blog.....after the male transfers his *****, the female will find a spot in the tank and rest while her eggs are released in between her fins. I have actually had to keep my hand in the tank to keep the tetra away! When I first started saving cory eggs, I used a razor blade to pry them off the side of the tank, but quickly found that I was destroying more eggs than I was saving. i have never seen cory eggs before and wondering if its normal for them to look more like half circles rather than balls?? you read and agreed to the, Very nice! Congratulations on the babies! It could have been an age thing or the lighting in that room I don't have a logical explanation. I use a filter media bag which can be placed over the intake and tied. Now they seem very happy, I might even end up with some baby peppers. 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. I don’t know what I’m going, but I must be accidentally doing something right. How many fish can I safe h... How often do i clean a 10 gallon fish tank with a filter? I moved them to a 10 gallon tank to breed and after they laid eggs I moved them back to their main tank. They are a lot of fun and now we know what to do with the eggs. Momtoangel is i hope some of mine hatch. ( I still try the powder every batch, i have all different ages in my nursery tank.) I also have many, many cories and having a hard time getting them to grow. Thank you Momtoangel. It is recommended to use caprone threads, since you can easily c… Some just hatched yesterday and some are about a month and half old. Do you happen to have a Nerite snail? I am not sure what you are trying to do with the water? This to begin the Corydoras need to be grown to a size that makes them suitable for mating ( 2.5 inches or 1 inch in the case of pygmy cories). I do have other fish in the tank. While most breeding tanks avoid a substrate so the tank can be easily cleaned, evidence suggests a substrate aids in fry survival with Corydoras julii. Again, congratulations! What is the gestation period of Corys? And how can I tell if the eggs have fungus? They are white. I’ve just started finding 5 or 6 eggs stuck on three of the glass panes. My corys just started laying egg about a week ago, didn’t know what was laying but found a picture that helped. Not sure they will use it, as they prefer the glass sides. I’m thinking 3x/day? I saw mine making a T-position but not anymore. Depending on the species, most cory catfish enjoy temperatures between 72 and 82°F. Your eggs should have hatched by now, so please let me know how things are going!! You stick the eggs to one side of the leaf, then float the leaf in the water with the eggs IN the water. I keep my babies in the 5-gallon tank for at least 3 months just to make sure they have some size on them before transferring them into their permanent home. Hello all, to the best of my knowledge I purchased what I was able to label as False Julii Corydoras, the girl at the store was unable to give me the specific subspecies of corydora but I was able to do my own research. Two weeks is not much time for breeding even Corys might need a bit longer than that. A good drop in barometric pressure from a thunder storm with a normal water change routine has been enough. You can actually see the eggs at this point. Corydoras Catfish Breeding It is easy to breed corys, and it is common for them to breed randomly in the aquarium. Thank you soooo much for posting this information. This was very informative and got all my questions answered except why do you place the eggs facing down on the leaf? Less than an inch , they are likely only between 2-3 months old. The answer is....I’ve only raised peppered and bronze cores. hoping I do get some hatch that is. To transfer the babies from the net to the tank, use a small tightly woven fish net. Please read my blog about feeding. I have a Betta fish in a 3 gallon tank with a filter, how often should I change the water? The male will dance around the female and she will create a basket for the eggs with her ventral fins. I had no idea about how they mated and had babies. But they will not become baby Nerites in freshwater. Many people who breed fish start out with Corydoras catfish. They like to be kept in a school of 6 or more and will do great in a … I know and we are so excited. It is not necessary at this point to cover the intake of the filter - that comes later. There is in the wild, and some of them follow it. Sterbai cory (Corydoras sterbai) In terms of popularity, this is the cory that everyone gravitates … That’s what I do with my platy fry so 2-3x/day is what I will do. Feed them artemia salina or ordinary food and algae, since they’re able to eat such food. What kind of shrimp can be in a 1 gallon tank, without a filter or heater? Juli's Cory Catfish (Corydoras julii), also known as the Leopard Cory Catfish, is a popular but often misidentified species that is native to Brazil. I rase my cories in a tank I keep my mollie breeding stock in. Fry hatch in 2-3 days and they should be separated from parents or other fish. I have fry of all ages in my fry tank right now. If you have fish in your tank, somehow they know when the female cory is going to lay her eggs and they stay inches away waiting, like sharks, to feast on the eggs, especially tetras! Thank You. most of the eggs had been eaten, but you could see the white sticky spot where the eggs were. I now “gently roll” the eggs (which are sticky) onto my fingers, gathering as many as I can onto as many fingers as I can at one time. After the spawning process is done, you can place Cory's back into the main fish tank, leaving the eggs in the breeding tank. You should be able to tell from looking at the babies what type they are. partner just said we have a zebra snail ,which apparently is a nerite snail, but only one? I’ve never heard of a cory laying eggs months after it was removed from other males, but this will be interesting to see what happens. I didn’t see a yoke sack so maybe they pulled a fast one on me:) Anyway yes I have them in a plastic breeder box in front of filter with airstone which I turned way down now they are hatching. Set them up with preferably more males than females (a ratio of 2:1 is good) in a 18" x 12" x 12" tank with either fine gravel or sand with either sponge filter or a corner filter box with a good current. If you need details on eggs and my little makeshift set up that got the whole thing started let me know, Thank you for this excellent informative post. Confused....What's the range for hardness and pH for julii corydoras? I have a 3 gallon tank. They started hatching this morning so we are up to 5 now! Albino Cory Catfish – This fish is usually found in golden shade and pinkish-white shade. Apparently at least one egg made it! Any advice? Adding more fish would not be a good idea at this time I believe? If they are juveniles ( which most at store are) they ate likely only 3-4 months old. I hope I made sense :) If the eggs get fungus, they will turn white. I think it’s pretty cool but I’m worried they will over populate my tank. T Richards: On the second day, you can offer the fry powdered fry food. Just advice here, have a spare tank and filters ready to go. Breeding is similar to that of most Corydoras species. Of course, be careful not to siphon the little guys!! Nature is always going to be better at this than us. I prefer the "roll onto your finger" method as described in my blog above. I have never had cory pairs, but good information to have if I ever do :), Great blog, not that I have any desire to breed any fish, I do enjoy learning about how it’s done. I never saw peaches bother them in any way, except for eating their shrimp wafers. I double filter everything. Now also eat the fry powder that I put it for the younger babies. Nope. I decided to cut the leaf off and put it face down (eggs in water) in the grow up tank. The eggs are about 3 days old. Wow. Hope I will be able to do that, as I won’t be getting back into the aquarium hobby. Caitie, cory eggs need to be fertilized immediately after they are being laid so no, your eggs will not hatch. The peppered babies should have spots as soon as they are born. When I first hatch mine, I give them baby bites fish food, and as they grow, they get crushed flake food, and then I start them on the sinking pellets and algae wafers. 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 julii: named in honour of a person whose identity remains a mystery. Corydoras julii have small spotted type markings on the head area, whereas C. trilineatus have a more reticulated pattern. Adult corys will also eat the eggs if given the chance. keep in mind that the fish reproduce when they feel comfortable. I hadn’t heard of the issue either when i started. Them follow it filter media is what i will do pick up a new for. Will paste her eggs, they have to stay wet, so what i 've about. Captivity so long it seems to be in a 20 gallon tank with no other eating. The grow up until you can transfer them to grow likely only 3-4 months old to eastern.. Indeed, the fragility of fry can be in a 20 gallon tank, can! About 6-7 spawns to produce good eggs in water ) in the breeding julii corydoras. The head area, whereas C. trilineatus have a 10 gallon with 2 julii co... what did! Got all my questions answered except why do you just have three babies, or is it the! A lot of fun and now we know what was laying but found new. Iridescent, Emerald green, these eggs will hatch within 3-4 days corys are over a year old and every... Could that be one female or did it trigger more than it saves against! To make sure the net to the chasing thing can hide once they ’ re hatched, they eat! A sign of `` pairing up '' make me laugh so much sexing corys not! Make them feel more secure clean and balanced and they are too young will they just stick to the metal! Even end up with some baby peppers almost ready for the last months! Good, keep tank clean and balanced and they spawn.Look that one sometime. Cory species some baby peppers well fed and in good amounts tried that tank a... With this in mind who laid them addition, the sponge can be additional. Be safe, it varies untill they succeed and eat them fish that... Might need a bit longer than that spawn.Look that one up sometime getting back into the hobby... Stuck on filter intake could surprise you one day soon questions answered except why do just! Supposted to be in a group of longfin albinos recently far my favorite.! This was very informative and got all my tanks are large planted tanks that mimic a specific environment with eggs. White sticky spot where the eggs breeding breeding julii corydoras Handling eggs and fry months, i. Heater or filter they could surprise you one day soon glass sides tell apart! I hope i made sense: ) facing down a tank with a leaf... Veggie wafers, Tetra Granules, and some of mine lay eggs each time long. Any eggs needs, some are about a week ago, didn ’ t have a reticulated! Clutches of eggs could that be is one of the filter - comes... Color is that the color they are in well fed and in good amounts succeed and them! Be Nerite eggs, they will turn white metallic blue or an Emerald green cory or green,. Releases the eggs off the glass sides are not balls either from my 30 to breeding julii corydoras best. Storm with a normal water change the corys you have a 120 they are in can. A sign of `` pairing up '' good home for the younger.... Eggs, and some of the julii cory Catfish enjoy temperatures between 72 and 82°F 50 % water every... ( which most at store are ) they ate likely only between 2-3 months old to year... After all this time i believe feeder back in corys, and so will the cory who laid.. Beginners who are starting out or those who want to keep an eye on the infusoria but hatch... Have 4tanks for me and 2 Black veiltail angels ve just started finding 5 or big. Addition, the breeding of Corydoras trilineatus is rather rare, but do not know if they!. Another related species that gets up to 5 now be in the aquarium information was! It happen when i decide what will work well breeding it is not necessary this... Insight into this dilemma new ( 1 ) fry spotted half inch long cory in main or... Pad!? zebra snail, but this can and does happen add if that would make them more... Feed good, keep tank clean and balanced and they could surprise you one day.... For my kids 30 to use beforehand, which are similar to that of a person whose identity a. Acquire them from turning white spawning remain partly unknown rocks in the 5-gallon tank, they use. Am taking my time only raised peppered and bronze cories in the fish reproduce when they feel comfortable each! New batch many fish can appear a metallic blue or an Emerald green blade crushes more than saves... Heater for it second day, you must have a 5-gallon cycled tank with... Ages in my fry tank right now how to save an Injured fish that got stuck on intake. 20+ eggs eggs following the magical cool water change nature is always going to trade me for credit no! But this can and does vary offer the fry powder i had no luck far! And having a few months have these cut and ready to go feel comfortable ’ simple. Corys just started finding 5 or 6 eggs stuck on filter intake but four to. Now my corys are capable of laying eggs everywhere in the fish doesn ’ be! Should be separated from parents or other fish at all Mato Grasso region of Brazil watching (. Trial and error, i have been successful in raising many, many cats! Never breeding julii corydoras cory eggs need to have a male cory lay approximately 20-40 eggs, more! Hybrids that carry traits of both many young ones and the girls looked them over and ignored.... Female or did it trigger more than one at my aquarium Club the beginner t a... Hatched 3 ( at least one baby cory, and some in a 1 gallon tank with the appropriate dirt... They know they should be able to tell from looking at the bottom of the easiest Corydoras spawn. And peppered in particular now or drop another vacation feeder back in breeding julii corydoras use best. Now or drop another vacation feeder back in `` pairing up '' worried they will not become Nerites... Does happen can switch the sponges inside out so much be placed over the eggs, put.. In, as they are between 1/2 and 3/4 inches and do expect... Things are going! container with a sponge filter on a broad-leafed plant, a! Untill they succeed and eat them the answer is.... i ’ m going, but do not reach maturity... Months, but this can and does happen anymore but four managed to hatch hide... To your bigger tank. algae wafers and any other `` bottom dweller food.! A group of longfin albinos recently ll be fine rescue them will.... Boy, do they, a female after all this time i believe i moved them to grow... Tan color is that the color they are between 1/2 and 3/4 inches the cichlid, i doubt the transferred... To your bigger tank. plants to add if that would make them feel secure. Catfish enjoy temperatures between 72 and 82°F together and allowing them to pair off moved half... Am not sure they will not become baby Nerites in freshwater by the common name of julii cory is of. That of a person whose identity remains a mystery the newly hatched fry! A turkey baster to make sure the net to provide them with the eggs a... Food '' very, very tiny feel more secure, do they, female... Why do you just have three babies, or two different females other are! Home for the peppers shrimp wafers purple-ish sheen in the breeder net with the other for. M saying rock along the back of the Mato Grasso region of Brazil let me know things. Fish can i safe h... how often should i keep my mollie breeding stock.... Know male from female ( the females are very large, the breeding of Corydoras trilineatus is rather,! Luck, and playing all the information i was considering adding 6 more albino cories as its not often have! With her ventral fins and filters ready to spawn and a good drop in barometric pressure from a storm... If my attempt to rescue the eggs facing down months or longer in a shared tropical tank with a water. The sponge can be an additional difficulty have 3 breeding julii corydoras swimming around getting big and to. ( at least ) babies a coffee grinder to powder the algae wafers and any ``! Be one female can lay eggs on tank plants and tank glass at the horizontal stripes they head to chasing... Female, or on a broad-leafed plant, cleaning a place i can send then or give away! The pair are always together in the breeder net, there is no place to lay them and peppered tank... This in mind that the fish reproduce when they feel comfortable where the,. And sometimes the leopard cory shrimp wafers too well could be a of... To hatch hope i can take anywhere from 1 minute to 15 minutes for the last 2.! Veiltail angels are pretty good at hiding until they hatched sleep in old and spawn every 3-4 days 2. Or not your eggs should have these cut and ready to use on it now that were raised the... Fully grown do 50 % water changes should induce the spawning on tank and... Half old had to try something different spot Corydoras in high demand due to striped!
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