A photo of New Guinea rainbowfish

New Guinea rainbowfish

Melanotaenia affinis

Neptune’s rating:

56
Check Compatibility
  • AffordabilityModerate
  • Aggression LevelMostly Peaceful
  • Breeding AggressionSlightly More Aggressive
  • DifficultyChallenging
  • HardinessResilient
  • Length8.0 - 12.0 cm
  • Liters per Fish80 L
  • Maintenance LevelLow Maintenance
  • pH7.0 - 8.0
  • PopularityModerate
  • RarityUncommon
  • Minimum School Size6
  • Tank HabitatSurface Dweller, Mid-tank Dweller, Bottom Dweller
  • Temperature24.0 - 28.0 °C
  • Territorial BehaviourModerately Territorial

Please note: These values are based on the average of various confirmed sources.

More about New Guinea rainbowfish

New Guinea rainbowfish, originating from various freshwater habitats in New Guinea, is celebrated for its vibrant colors, ranging from shimmering blues and reds to striking yellows, often displaying a radiant, iridescent quality akin to a rainbow. Characterized by their slender bodies and elongated, graceful fins, these fish exhibit a captivating beauty that has made them well-known and sought after in the aquarium hobby. Their popularity is not only due to their dazzling appearance but also their relatively peaceful nature and adaptability, making them a favorite among fish enthusiasts around the world.

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