Key Steps to Breeding Discus Properly

Discus fish is one of fish which need an advanced fish keeping experience level to keep. It’s means that this fish isn’t easy to keep. But in case of Ease of Breeding level is moderate. Thus, if you are already keeping discus and want to try breeding the this fish, I’ll give some key steps to breeding discus properly. Although this wasn’t succeed guarantee. Because it depend a lot thing that different in condition and situation.

Breeding discus

  1. Identify discus fish sex, distinguish male or female discus was not easy. Indeed having pair discus isn’t easy. If they any paired discus sold out there, they must be expensive. So keep at least six discus for getting one pair of discus fish is fair enough. At 9 months of age the females usually mate, while males usually mate at 13 months.
  2. Preparing a tank :
  • A suitable size for the tank should be 30″ x 24″ x 20″ (length x width x height)
  • Water level should be at least 18 inches from the bottom of the tank
  • Surfaces low to the ground may encourage the fish to lay eggs.
  • Keeping the aquarium itself in a quiet place may also increase the chance of breeding occurring.
  • If you are planing on using a Bio filter, it is recommended to fix it from the outside of the tank.
  • Covering at least 3 sides of the tank with black or dark color paper will get you better results.
  • It better to keep the tank simple with no substrate and just a few broad leafed plants or slate as a spawning site.
  • Further detail for water quality is measuring and adjusting for nitrites, nitrates, and ammonia.
  • Maintain excellent water quality and a temperature of about 28~31c.
  1. Place paired discus to spawning tank which has been prepared as mentioned above.
  2. Feed breeding Discus with protein rich foods are the best choice. Diversifying food sources is good for the Discus diet balance
  3. The discus will begin cleaning the spawning site surface. If the discus have not visibly begun to cleaning it, recheck the water quality and ensure they are being fed properly.
  4. Keep an eye for mated pairs. Watch their act, If one of them gets extra aggressive, you may need to separate them to another tank. It’s means they aren’t going well. Something happened. If it going well their eggs will laid at spawning site. Make sure that they don’t eat the eggs, even though some source describe that they only eating bad quality eggs, other word they weed out their eggs. But in the way they eat the bad eggs, the other eggs also damages by they big mouth. So it is safe to cover laid eggs with wire net or something else.
  5. It need about 2~3 days to hatching discus eggs. After baby discus born, they will attach to the sides of the parents and will eat the white mucus that forms on the parents body. Keep a close eye on this because as the days go on they can start biting the skin of the parents which will cause skin infections. Idealy it takes 5 days.
  6. Introduce the fry another food substitute after they separate from their parents.

Most Q & A about discus fish are :

What size tank do you need for discus? a suitable tank for a single discus fish is 37 x 19 x 20 Inch

How long do discus fish live in a tank? 10 Years

How many gallons does a discus need? A minimum 50 gallon aquarium is suitable for a single fish

What fish can be kept with discus? Cardinal Tetras, Corydoras Catfish, Ancistrus, etc.



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