Female Discus tend to stop growing once they begin to ovulate, and egg-laying is quite common as early as eight or nine months of age. The time to hatching was 60 hours, post fertilisation, at 28-30 °C and 20 % water changes were carried out … The first time, discus fish start by laying a few eggs on the spawning site. is that normal or no? The life cycle includes an egg stage found in host feces, a cystacanth (larval) stage in an intermediate host such as termites, and an adult stage where cystacanths mature in the intestines of the host. Discus eggs hatch … This will influence the survival rates at various critical stages: Sperm motility, Fertilization, embryonic phase, outbreak, larval stage, free swimming stage … Discus egg turning white. In the larval stage… Understanding the early development of this species will allow cell fate tracking and may help to guide artificial seeding. Platy fish are live-bearing fish and give birth to live fry unlike egg-layer fish, which lay eggs, fertilize them and hatch them outside the body of the female fish. Eggs are a common means of passing through unfavorable (dry season or winter) periods when food is unavailable, though because other stages of insects can enter diapause, egg-overwintering is by no means universal. Discus eggs, and other cichlid eggs, are typically a clear and/or slightly pink color when fertilized. Most eggs … On the other hand, juvenile fish infected by small numbers of nematodes are more likely to show signs of illness and also have reduced growth rates. The otolith appeared (stage 35), then short spines appeared on the cephalic tentacles (stage 36), followed by the snout protrusion from underneath the velum (stage 37) (Fig. (A) Chromatin nucleolus stage, (B) early/pre-vitellogenic primary stage, (C) oil droplet stage, (D) primary yolk globule stage, (E) mature stage. Discus pairs are attentive parents and will guard and care for the eggs together. The parent fish pair continuously fan the eggs for ventilation and this keeps them safe from infections. Right after deposition, the male fish will fertilize the eggs. Once the process begins, the female starts laying more eggs … Classification of oocyte stages. The larger the female, the large the spawn! Then, the exhibition of … Artificially Raise the Spawn - If both discus fish parents are egg eaters, wriggler eaters and free swimming fry eaters, then you just might have to take the eggs away from them and artificially raise the discus … Often, they exhibit what appears to be infertility or, at least, poor fertility well into their second year. 3,850 3.9K. Nematodes, or roundworms, infect many different species of aquacultured and wild fish. Male Discus usually do not produce adequate, motile sperm till after a year of age. It's a nice tank and your going to have to mess it up to issolate the discus eggs...you do have dangerous fish with your discus eggs, and they will always be a threat. Raising discus … Usually at day 3 the eggs will start hatching, but the fry will stay attach to the cone. At day 6 or 7, the fry will start to detach themselves from the cone and swim freely. Feeding Time is an Exciting Time This is what most discus … Brown discus larvae that were obtained from a 18 month old male and a 14 month old female. The adult discus are maintained in my tap water which reads 70 microsiemens, and has a normal ph of 7 I have found that eggs removed from breeder tanks with a microsiemens count of 70 to 80 place in … Between the months of October and April, the courtship and gestation stages of discus fish take place The ritual begins with a couple’s swim walk throughout the aquarium. ... defensive possibly due to eggs and there enviroment.It is exciting none the less,I hope to get pics of fry in early stages … 7 B to D). Two … Discus egg turning white. Hello everyone, I am posting this on behalf of my buddy, he has several discus that paired up and no matter what the eggs keep on turning white. Breeding discus takes patience. The next stage in the angelfish egg development is the wiggler stage, which is the stage right after hatching. In aquaculture systems, brood stock infected with a small number of nematodes may not even show signs of illness, but they often have reduced reproductive capacity. What this essentially means is that the larvae are still attached to the spawning site through a filament that protrudes from their heads. Typically discus like to spawn on vertical clean surfaces. If they are young discus, I would give them another chance before taking the eggs and hatching them yourself. The Discus Nursery will take care of the needs of discus eggs and newly hatched discus fry away from their parents.This includes their nutritional needs and their water condition needs. I only use methylene blue with my eggs but goldfish eggs don't fungus as badly as discus eggs 1) don't need the water flow like cichlids 2) my water is 10 to 20 degrees cooler at … either way they are taking care of the bad eggs so the won't effect the other eggs… hi i have a pair of malbro discus they have given me 3 batch of baby but all of sudden their egg are turning white this is happen for the last 5 batch of egg … Within their sectioned off area the female discus will choose a ‘spawning site’ where she will deposit her eggs in rows, before the male will swim behind and fertilise them. Again, a larger fish will produce a larger vo… Small numbers of nematodes often occur in healthy fish, but high numbers cause illness or even death. They also clean off dead eggs that turn white to prevent bacteria from spreading to fertilized eggs. By saby444, 6 years ago on Fish Breeding & Handling Eggs And Fry. Scanning electron microscopy (SEM) was used to examine the morphologies of the … In aquacultu… discus will spawn eggs on one side and portion of the cone. Active rRNA … A young male discus might need many spawns before he gets the fertilization process right. The Discus eggs are small, slightly opaque spheres, which will stick to the cone. They will fan fresh water over the eggs to ensure high levels of oxygen and they will also remove any unfertilized eggs to prevent bacteria growth and mould. 8. Also, the nursery … Lighting Makes a Difference For optimal coloration of your fish, always keep your aquarium extremely well-lit with as little shadows and dark substrate as possible. In this particular case the male is an 18 … Discus Egg Care Discus fan their eggs to prevent eggs from developing bacteria. the discus eat the white eggs. If they can't reach their eggs easily enough, they can't tend to their eggs as effectively. Again, keep the water at around 6.5 PH – any higher and the eggs … Platy fish produce eggs that are fertilized by the male platy while the eggs … We seek to be around 100 micro siemens / cm for the conductivity (variable tolerance according discus strains), with an acid pH (Under 7) and a nitrate value as low as possible. Watch for mated pairs. Discus eggs … Don't worry if the discus lay eggs directly on the floor, as long as the parents are defending the eggs from other fish. If a pair of discus fish start hanging out together in a corner, cleaning a spawning area, or acting aggressive to other discus, this is likely a male and a female discus… This is the period where we should help ‘parents’ in gathering all fry, so you can get a complete-full batch, by reducing water level to only 25cms or lowest at the above discus … Having this allows me to clean it easily and I can move it within the tank wherever I want which comes in handy when you find the discus are not laying their eggs… As sexual maturity is a function of age, it behooves us to get that fish as large as possible before that point. I'm on hour 39 and som eggs have turned and are turning white but what i noticed is that rather than leave the white eggs there to grow fungi. This essentially means is that the larvae are still attached to the spawning through... 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