Emerald Rainbowfish are bright, peaceful schooling fish with emerald and turquoise colors that really pop under good lighting. They do best in active community tanks with plenty of open swimming space and some plants for cover.
Best tankmates
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Tetras
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Corydoras catfish
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Peaceful gouramis
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Other similar-sized, non-aggressive fish
Care parameters
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Temperature: 78–82°F
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pH: 7.5–8.0
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Filtration: Moderate to strong
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Group size: 6+ (schooling fish—more is better)
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Tank setup: Open swimming areas + planted sections for hiding
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Diet: High-quality flakes + small frozen/live foods (daphnia, bloodworms)
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Maintenance: Regular water changes to keep colors vibrant and fish healthy