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The Eastern Rainbowfish is generally easy to keep and suited for the beginner to intermediate aquarist. Fish display an assorted array of colours and patterns. They are active swimmers and will occupy the mid level water column. Best kept in groups of 6 or more, and enjoys a spacious planted aquarium with good water quality and flow.

The Eastern Rainbow Fish is native to North Eastern Australia and is found in rivers, streams and billabongs. 


Features of Eastern Rainbow Fish:

  • Tolerates broad water parameters.
  • Peaceful community fish.
  • Body colouration overall pale blue, green & yellow hues with a mid-lateral stripe faded black to yellow.
  • Males are larger & more vibrant.

Tank Mate Compatibility:

Eastern Rainbowfish are peaceful community fish that prefer to swim in groups of 6 or more. They can also be kept with other peaceful community fish.

Here’s a list of some of the best tank mates for your Eastern Rainbowfish.


Eastern Rainbowfish are omnivores and will eat flake, small pellets, live, fresh, frozen, and freeze-dried. For optimal health, provide a variety of foods, which can include high-quality flake foods, brine shrimp, and any type of worms, as well as vegetable supplements and spirulina. 

Eastern Rainbow fish have small throats, ensure food particles are not too large.



Eastern Rainbowfish are best suited to a longer aquarium as they are active and energetic swimmers. An aquarium 4ft or larger is recommended. They are also well known jumpers, thus their aquarium should be well covered. 

After an Aquarium for your fish? Browse our aquariums available here.


Eastern Rainbowfish prefer water temperatures between 22  ⁰C - 28  ⁰C.

Looking for an aquarium heater? View available aquarium heaters here.


Eastern Rainbowfish are found in shaded rivers, creeks and streams located in North Eastern Australia. They are happiest in a dimly lit environment. We recommend LED aquarium lighting with adjustable brightness to ensure the light level can be altered for happy fish. 

Need aquarium lighting? View available aquarium lighting here.


Eastern Rainbowfish will tolerate wide parameters however enjoy good water quality and flow. Ensure adequate filtration and flow in your aquarium.

Explore aquarium filtration products here.


Eastern Rainbowfish enjoy dark substrates that mimic their natural habitat. 

View our range of aquarium substrates here.


Plants for Rainbowfish:

Eastern Rainbowfish enjoy spacious planted aquariums with medium to large plants, including floating plants. Plant backgrounds with tall growing plants, leaving the foreground an open space for swimming.

Interested in live plants for your aquarium? View our range of live aquarium plants here.


Decorations for Rainbowfish:

Rock & wood can be placed in the aquarium to mimic natural habitats and provide hiding locations to retreat to. 

View our large range of aquarium decorations here.

Additional Information

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Fish Keeping Snapshot

Preferred Water Parameters