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females tend to be bigger and more plump than males

When it comes to sperm, then the female glues the eggs, only a few in number, to the chosen substrate and then (sometimes) quickly touches them with her mouth. After several acts of spawning, which span a total of two to three hours, one female will have produced up to 200 eggs. Frequently, two males are used for each female, as one male has difficulty fertilizing all the eggs. The eggs gradually grow darker in color, and just prior to hatching (ranging from three days at 28 °C to a week at 20 °C) they turn dark brown. The fry keep to the bottom of the tank, feeding on detritus and any fine foods available. The parents may spawn again within two to three weeks.

Albino bronze corys are frequently injected with bright dye (via a needle) and sold in aquariums. This controversial practice is known as "painting" or "juicing" fish

When your fish are ready the female will have a reddish tint to her belly, and be noticeably plump. The male will develop a noticeable sheen. The Bronze Cory is not picky as far as mates go, so as long as there is a female present they will probably spawn

Hope that helped

When i got mine from the store, it was about an inch long, i also had an albino that was a little older. I had both of them for a few months then the female which is an emerald green increased in size till she was about twice as long as the male, around 2 inches long and an inch tall, she looks like a little barrel with fins. They will get about twice as big as the males but size is really the only way to tell male from femal.

First examine your water perimeters. 2nd, My in user-friendly terms wager, and in user-friendly terms a wager is they might have a parasite introduced in by some means and in user-friendly terms outcomes them for now. i'd cope with the tank for each week or so with a sturdy parasite therapy like Tetra Parasite shelter. persist with the educational and do a number of 40 8 hour cures. IT won't harm to purpose....! sturdy luck.