The Pygmy Rainbow is a small, brightly colored freshwater fish native to West Papua, Indonesia. Males display vibrant iridescent blue bodies with a striking red or orange stripe along the dorsal and anal fins, while females are slightly paler and more subdued. Their compact size and active, schooling behavior make them a lively and visually appealing addition to community tanks.
This species is easy to keep, hardy, and ideal for both beginner and experienced aquarists. It thrives in well-planted aquariums with stable water parameters and plenty of swimming space.
Care Requirements:
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Tank Size: 20 gallons minimum (best in groups of 6+)
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Temperature: 24–28 °C
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pH: 6.5–7.5
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Water Hardness: Soft to moderately hard
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Temperament: Peaceful, schooling
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Diet: Omnivore — high-quality flakes, micro pellets, frozen or live foods like daphnia or brine shrimp
Behavior & Compatibility:
Pygmy Rainbows are peaceful, active schooling fish that should be kept in groups of at least 6 for confidence and natural behavior. They coexist well with:
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Small tetras, rasboras, and danios
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Corydoras and other peaceful bottom dwellers
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Small peaceful dwarf cichlids
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Shrimp
Avoid aggressive or much larger species that could stress them.
Tank Setup:
A planted aquarium with open swimming areas and moderate lighting is ideal. Floating plants provide security and shade, while a gentle filtration system and stable water conditions support vibrant coloration and active schooling behavior.
A small, active, and brilliantly colored rainbowfish—perfect for lively planted community tanks.
