Australian Rainbowfish (Melanotaenia fluviatilis) - Tank Bred

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Overview

The Australian Rainbowfish is a vibrant and active species known for its shimmering blue-green body and warm orange to red finnage. As one of the more classic rainbowfish species, it delivers bold color, constant movement, and strong schooling behavior that brings life and energy to larger aquariums.

This species thrives in groups and displays its best coloration in well-maintained, planted setups with open swimming space. Hardy and adaptable, the Australian Rainbowfish is an excellent choice for hobbyists looking to keep a lively, visually striking centerpiece species in a community aquarium.

What We Love About This Fish:

• Brilliant Color Contrast: Blue-green body with vibrant orange-red fins
• Active Schooling Behavior: Constant movement adds energy to the tank
• Hardy and Adaptable: Suitable for a wide range of freshwater setups
• Classic Rainbowfish Appeal: A staple species with proven reliability

Quick Care Guide:

• Care Level: Easy to Moderate
• Temperament: Peaceful
• Diet: Omnivore
• Shrimp Compatible: With caution (may eat shrimplets)
• Adult Size: 3 – 4 inches
• Average Purchase Size: 1.5 – 2.5 inches
• Social Behavior: Schooling, best in groups
• Activity Level: Very active swimmer
• Tank Level: Mid to top-level
• Lifespan: 5+ years
• Recommended Group Size: 6+
• Minimum Tank Size: 30 gallons

Recommended Tank Parameters:

• Temperature: 72° – 80° F (22° – 27° C)
• pH: 6.5 – 7.8
• KH: 5 – 12 dKH

Live Arrival Guarantee:

All Aquatic Arts brand plants and animals come with a 100% live arrival guarantee, plus free email support!