Blue Rainbowfish 2

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  • Category: Rainbowfish
  • Product Code: DTN9017678818
  • Availability: In Stock

  • $10.40 $13.00


Blue Rainbowfish Care Sheet

Overview

Category Details
Scientific Name Melanotaenia sp. (Blue variant)
Common Name Blue Rainbowfish
Origin Australia, New Guinea, and nearby islands (species dependent)
Adult Size 812 cm (35 in), depending on species
Lifespan 58 years
Temperament Peaceful, schooling
Tank Level Mid to upper

Tank Setup

Parameter Ideal Range
Tank Size 100+ liters (25+ gallons) for a small school
Temperature 2428 C (7582 F)
pH 6.57.5
Hardness 515 dGH
Substrate Sand or fine gravel
Decor Plants, driftwood, open swimming areas
Lighting Moderate to bright
Filtration Moderate flow; well-oxygenated water

Tips:

  • Keep in groups of at least 68 to maintain natural schooling behavior.

  • Provide open swimming areas with some plants or floating cover.

  • Regular water changes enhance color intensity.

Diet

  • Type: Omnivorous

  • Best Foods: High-quality flakes or pellets, frozen/live foods (brine shrimp, daphnia, bloodworms), vegetable matter.

  • Feeding Frequency: 23 small feedings daily.

Behavior & Compatibility

  • Peaceful and active; excellent in community aquariums.

  • Males are brighter in color and may show some territorial displays during breeding.

  • Mid- to upper-level swimmers that enjoy open water.

Tank Mate Guide

Compatible Species

  • Other rainbowfish species

  • Tetras and danios

  • Corydoras catfish

  • Peaceful barbs

  • Gouramis (peaceful species)

Avoid or Use Caution With

  • Aggressive or very large fish

  • Fin-nippers or predatory species

  • Slow-moving or delicate fish

Breeding Info

  • Spawning Method: Egg scatterers; fine-leaved plants or spawning mops recommended.

  • Parental Care: None; adults may eat eggs.

  • Fry Care: Feed infusoria or liquid fry food initially, then baby brine shrimp.

Fun Facts

  • Named for their vivid blue coloration and metallic sheen.

  • Excellent centerpiece for community tanks due to bright colors and schooling behavior.

  • Hardy and adaptable if kept in proper water conditions.

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