Remarks: Melanotaenia sexlineata come from several locations in Papua New Guinea. They all appear to be golden-yellow with six horizontal red stripes and a thick lateral line underneath. The Tabubil location has the most red in the lips. They are a small species of rainbowfish, and genetic studies show they are likely part of the M. maccullochi group of 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 sexlineata

Common Name: Tabubil Rainbowfish

Max Size: 3"

pH: 7.0-8.0

Hardness: Moderate

Temperature: 70-80°

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.

Tank Mate Options:

• Spotted Aru II Blue-Eye
• Goyder River Rainbowfish
• Kali Biru Rainbowfish

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