The first time, discus fish start by laying a few eggs on the spawning site. Discus pairs are attentive parents and will guard and care for the eggs together. In this particular case the male is an 18 … 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. In the larval stage… Active rRNA … 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 … 7 B to D). Male Discus usually do not produce adequate, motile sperm till after a year of age. Again, a larger fish will produce a larger vo… At day 6 or 7, the fry will start to detach themselves from the cone and swim freely. Usually at day 3 the eggs will start hatching, but the fry will stay attach to the cone. (A) Chromatin nucleolus stage, (B) early/pre-vitellogenic primary stage, (C) oil droplet stage, (D) primary yolk globule stage, (E) mature stage. either way they are taking care of the bad eggs so the won't effect the other eggs… 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. Small numbers of nematodes often occur in healthy fish, but high numbers cause illness or even death. 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 … Once the process begins, the female starts laying more eggs … Typically discus like to spawn on vertical clean surfaces. the discus eat the white eggs. Feeding Time is an Exciting Time This is what most discus … 8. Most eggs … 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. The next stage in the angelfish egg development is the wiggler stage, which is the stage right after hatching. ... defensive possibly due to eggs and there enviroment.It is exciting none the less,I hope to get pics of fry in early stages … As sexual maturity is a function of age, it behooves us to get that fish as large as possible before that point. is that normal or no? 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… Also, the nursery … Discus eggs, and other cichlid eggs, are typically a clear and/or slightly pink color when fertilized. 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. 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. In aquacultu… Discus eggs hatch … Classification of oocyte stages. Often, they exhibit what appears to be infertility or, at least, poor fertility well into their second year. Platy fish produce eggs that are fertilized by the male platy while the eggs … 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. The time to hatching was 60 hours, post fertilisation, at 28-30 °C and 20 % water changes were carried out … 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. 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. Watch for mated pairs. Scanning electron microscopy (SEM) was used to examine the morphologies of the … 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. Don't worry if the discus lay eggs directly on the floor, as long as the parents are defending the eggs from other fish. 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