Yellow Rainbowfish – Melanotaenia herbertaxelrodi
Brighten up your aquarium with the Yellow Rainbowfish, a striking schooling fish that glows with shimmering golden-yellow hues. Known for their peaceful nature and lively swimming, these rainbowfish bring both color and energy to community aquariums.
Yellow Rainbowfish do best in groups of 6 or more, where their colors intensify, and their playful personalities shine. They are hardy, active swimmers and thrive in well-maintained aquariums with open swimming space and planted areas.
Key Details:
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Scientific Name: Melanotaenia herbertaxelrodi
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Common Name: Yellow Rainbowfish
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Origin: New Guinea
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Size Purchased: 1.5" – 2.5"
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Adult Size: ~3.5" – 4"
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Type: Freshwater Rainbowfish
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Temperament: Peaceful, schooling
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Tank Size: 30+ gallons
Water Parameters:
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Temperature: 74–80°F
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pH: 6.5–7.5
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Hardness: Moderate
Diet:
Omnivorous. Feed a variety of high-quality flake foods, small pellets, frozen and live foods (daphnia, brine shrimp, bloodworms) to keep their colors vibrant and activity high.
Care Notes:
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Best kept in schools of 6+ to reduce stress and enhance coloration.
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Provide swimming space with some planted areas for cover.
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Excellent choice for peaceful community aquariums.
Why Choose the Yellow Rainbowfish?
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Stunning golden coloration that brightens any tank.
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Active, peaceful, and hardy – great for community setups.
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Schooling behavior adds beauty and movement to aquariums.