Symphysodon aequifasciatus

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Discus
Discus
Species Symphysodon aequifasciatus
Difficulty Moderate
Min. Tank Size 208.198 liters
208,197.648 mL

55 US Gallons (208.2L)

Size 20.32 cm

6-8 " (15.2-20.3cm)

pH 6.0 - 7.5
Temp. 299.15 K
78.8 °F
538.47 °R

303.15 K
86 °F
545.67 °R
26 -30 °C (78.8-86°F)

Water Hardness

6-13

Stocking Ratio 1:1 M:F
Availability Common
Diet

Omnivore
Pellet Foods
Flake Foods
Live Foods

Life Span

6-10 years

Contents

[edit] Alternative names

Discus, King of the Aquarium
There is a huge array of various colours now created through selective breeding, see them here.

[edit] Other Scientific Names

Symphysodon discus

[edit] Sexing

These fish are not easy to sex visually.

[edit] Tank compatibility

Be cautious with what fish you put with Discus, as they will not tolerate most bacteria, which many fish such as Gouramis may produce. Careful selection is important, as larger fish such as the Angel, or Plecostomus may injure the discus, while smaller tankmates such as Neon Tetra, Cardinal Tetra, Cherry Barb, etc., may be considered food. Entirely peaceful fish such as Corydoras can make good tankmates with Discus.

[edit] Diet

High protein diet is a must. Discus are cautious when accepting new foods. Bloodworms, shrimp, and krill are excellent foods. Caution should be taken with frozen brine shrimp, as they dissolve, they tend to overly cloud the tank. Cloudy water from food may lead to sickness or death of your discus.

[edit] Environment Specifics

This fish requires the highest standards of water quality. A large tank with still or slowly flowing water is required. Discus prefer a planted aquarim but care must be taken to provide plants that can survive the high temperature of the water. Tanks for Discus generally need bi-weekly water changes of 20%-30% to ensure that water quality is kept pristine. The pH must be kept in check and stable. They must have a low pH and soft water. Many keepers accomplish this through peat filtration.

[edit] Behaviour

If left in groups, ranging from 2-4, one dominant discus may self-proclaim itself as the leader, bulling around other discus. Having a number greater than five will usually thin out the chain of dominance. Discus will usually leave fish too big to eat, alone.

[edit] Identification

Wild discus are normally murky brown in color, although some sort of color and/or pattern may be visible. Captive bred discus are, for the most part, exceptionally colorful, rivaling even some of the most beautiful marine fish. This is usually caused by selective interbreeding. It has been said a discus may interbreed several times before defects begin to show.

[edit] Images

[edit] Videos

Discus on show at Aquarama 2007:


[edit] Links

Facts about Symphysodon aequifasciatus
Availability Common
Common name Discus
Diet Omnivore  +
Difficulty Moderate
Family Cichlidae  +
Foods Pellet Food  +, Flake Food  +, and Live Food  +
Maximum Size 8 in (20.32 cm)  +
Maximum age 10  +
Maximum hardness 13  +
Maximum pH 7.5  +
Maximum temperature 303.15 K (30 °C, 86 °F, 545.67 °R)  +
Minimum Tank Size 55 US Gallon (208.198 liters, 208,197.648 mL)  +
Minimum hardness 6  +
Minimum pH 6  +
Minimum temperature 299.15 K (26 °C, 78.8 °F, 538.47 °R)  +
Scientific name Symphysodon aequifasciatus
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