Australian Rainbow

Australian Rainbow

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Remarks: Melanotaenia splendida has several subspecies, including M. splendida splendida, M. splendida australis, M. splendida tatei, and M. splendida inornata. There is much variation among these subspecies, and further genetic analysis may indicate they are separate species entirely. The Deepwater Creek Rainbow is part of the M. splendida splendida subspecies, but may have been a result of natural hybridization between M. splendida and M. duboulayi (Source). Remnants of the Crimson Spot can certainly be seen in these fish.

The fish are omnivorous and should be fed a quality flake food with supplemental proteins such as baby brine shrimp. They require clean water but tolerate a wide variety of water parameters. By providing frequent water changes, you will be rewarded with nearly continuous spawning attempts. Melanotaenia species deposit eggs in weedy areas (often mimicked by a yarn mop) and the eggs hatch 7-10 days later. Eggs can be harvested for hatching in separate tanks to avoid predation. Most Rainbows show their best colors at sunrise, when the males display their bright fins for potential mates. Having more females than males will allow for proper color displays and avoid any unwanted aggression towards lone females.

Scientific Name: Melanotaenia splendida splendida

Common Name: Australian Rainbowfish

Max Size: 6"

pH: 6.0-8.0

Hardness: Moderate

Temperature: 68-86°

Aggressiveness: Peaceful

Region of Origin: Oceania

Captive Bred or Wild: Captive Bred

Diet: Small flake or pellet, small frozen or live foods

Compatibility: Schooling fish, livebearers, rainbowfish, small catfish. Peacock Gudgeons and Panda Garra are a great choice.