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Discus


 


Symphysodon aequifasciata

 
Symphysodon discus and Symphysodon aequifasciata. Both species are generally known under the common name “Discus» and have their fans all over the world. Discus is by far the most common cichlid, although it is not the easiest to keep. The fish grows to a final size of 15-20cm and it usually has some spectacular colors which are mainly due to selective breeding. The name “discus” is owed to the shape of the fish which resembles a disk. Originating from Brazilian rivers it is a carnivore and thrives in acidic water (pH 6.0 - 6.5). The fish secretes some growth inhibitor hormones and regular water changes are a must for it to thrive. The species will love massive everyday changes (even 90% daily). The water should ideally be very soft otherwise the eggs become too hard for the sperm to penetrate them so the fish will not produce any fry. Otherwise, it can stand even moderately hard water (GH up to 10). A planted aquarium makes a beautiful decoration for this fish while the water parameters will suit both the plants and the fish. Very active and / or aggressive tankmates should be definitely avoided. A unique characteristic of this species is that its fry feed from their parents’ skin at the early stage of their development. Strong currents and vibrations (such as air pumps bubbles) should be avoided because the fry gets disorientated. Paring discus requires the hobbyist to start with a school of 12 young fish and wait till a pair is formed. Usually the discus are monogamic fish and the pair is strongly bonded.

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 Page last modified on 26/02/2002  

 

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