When young, they're silvery and not too colorful, but later when mature they're very colorful, making it worth the wait.

This is also a very hardy fish.

Comments: This is a Premium Pet Fish, and we never see Premium Rainbowfish like these in any of the live fish stores or online fish stores that we visit.

Premium Pet Fish are more energetic, hardier, and have brighter colors with a beautiful metallic sheen.

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Origin: These Rainbowfish are found in Aifuf Creek in the West region of Papua.

Maximum Size: In aquariums, male Rainbowfish can grow to be about 3.25" long, including their tails. Females are usually smaller and plumper when mature.

Usually mature Rainbowfish are smaller than 3.25" long, but rarely an old Rainbowfish is bigger.

Behaviors: Most Rainbowfish are active swimmers and are rarely aggressive, but males do quarrel with each other.

Compatibility: Some recommended tank mates include, other varieties of Rainbowfish, Clown Loaches, Danios, Barbs, Gouramis, and many other medium size aquarium fish.

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Temperature: Rainbowfish can live pretty well from about 70 to 80 degrees F., but they're probably most comfortable at about 75 degrees F.

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Feeding: Premium Fish Food Flakes when small and small Premium Pellet Food when larger.

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Water Conditions: Rainbowfish seem to be tolerant of a wide range of water conditions.

Probably a pH of about 7.2 with moderate hardness is best.

Most water in the US is a little bit harder and has a higher pH but seems to be OK, so it's probably best NOT to adjust the pH or the hardness of the water.

Here in our facilities the water is hard and the pH is usually about 7.8. We ship them in this water.

Click here for a lot more information about aquarium water conditions.

Aquarium Size: It is probably best to house the fish in at least a 30-gallon aquarium, but bigger is better.

eep at most one Rainbowfish per 2-gallons, when they're small.

Larger Rainbowfish need about 4-gallons per Rainbowfish.

Huge Rainbowfish need even more water per fish and will do better in a bigger aquarium, like a 60-gallon aquarium.

Decor: Rainbowfish do not need gravel, and a layer of gravel more than 1/4" thick will usually fill with bits of uneaten food that will contaminate the water.

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Live Plants are beautiful and improve the water quality.

Aquarium Filter: Bio-Wheel Filters are highly recommended.

A Penguin 200B Filter in an aquarium with 20 to 30-gallons of water is OK, but a Penguin 350B Filter is the right size for a 30 to 50-gallon aquarium.

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