Description
Dwarf Rainbowfish – Peaceful Schooling Fish with Iridescent Color
(Melanotaenia maccullochi)
The Dwarf Rainbowfish, scientifically known as Melanotaenia maccullochi, is a small, peaceful species native to northern Australia and New Guinea. Valued for its shimmering body and vivid fin coloration, this rainbowfish is an excellent choice for planted and community aquariums. Its schooling nature, energetic behavior, and manageable size make it both a visual highlight and a low-maintenance favorite for aquarists.
Key Features:
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Compact rainbowfish species with beautiful iridescent sheen
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Males develop vibrant red or orange fins with age
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Peaceful and active – ideal for planted community aquariums
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Best kept in groups of 6 or more to encourage natural schooling behavior
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Hardy and well-suited to beginner and experienced keepers
Care Information:
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Scientific Name: Melanotaenia maccullochi
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Adult Size: 4–5 cm (1.5–2 inches)
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Temperature: 24–28°C
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pH Range: 6.5–7.5
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Tank Size: Minimum 60 litres
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Diet: Omnivorous – feeds readily on flakes, micropellets, and frozen/live foods like daphnia and brine shrimp
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Behavior: Peaceful and social; thrives in well-oxygenated, clean water with plant cover and open swimming space
Why Choose Dwarf Rainbowfish?
If you’re looking for a colorful, easygoing schooling fish that adds movement and shimmer to the middle of your tank, the Dwarf Rainbowfish (Melanotaenia maccullochi) is a perfect choice. With proper care and a well-planted setup, these fish display brilliant coloration and lively group dynamics.
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