Description
Cobalt Discus (Symphysodon aequifasciatus – captive-bred strain)
The Cobalt Discus is a dazzling strain of discus, bred for its intense metallic-blue coloration that shimmers across the entire body and fins. With its smooth, patternless finish and brilliant iridescence, the Cobalt Discus makes a stunning contrast to both solid and patterned discus varieties. Its round shape and graceful swimming style add elegance and serenity to any freshwater aquarium.
The Cobalt Discus is a hardy and adaptable strain compared to some more delicate varieties, making it a popular choice for aquarists looking to add a bold splash of blue to their collection. Like all discus, it thrives in warm, soft, and pristine water conditions, and should be kept in groups of five or more to encourage natural shoaling behavior.
Quick Facts:
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Scientific Name: Symphysodon aequifasciatus (Cobalt strain)
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Common Name: Cobalt Discus
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Origin: Captive-bred (wild ancestors from the Amazon Basin, South America)
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Max Size: ~6–8 inches
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Temperament: Peaceful, shoaling (best in groups of 5+)
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Diet: Omnivorous/carnivorous – high-protein discus pellets, frozen/live foods (bloodworms, brine shrimp, beef heart blends)
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Tank Size: 55+ gallons for a group
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Water Parameters:
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Temperature: 28–30°C (82–86°F)
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pH: 5.5–6.8
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Hardness: Very soft (1–6 dGH)
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Experience Level: Intermediate to advanced
Why Choose the Cobalt Discus?
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Stunning metallic-blue sheen across body and fins
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Peaceful schooling species, ideal for planted aquariums
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Hardier than many designer strains, great for dedicated discus keepers
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A striking contrast when mixed with red, white, or patterned discus varieties
