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Blehers Rainbowfish - C. Bleheri are generally easy to keep and suited for the beginner aquarist. A bright and energetic Rainbowfish the body is is mainly silver to blue and green fading to pastel shades of yellow to red. Males mature with deep bodies and have a brilliant yellow to orange stripe along the forehead during breeding.

They are active swimmers and prefer to be kept in shoals of 6 or more in planted yet spacious aquariums. This species inhabits lake Danau Bira in West Papua, and is considered a vulnerable species. 


Features of Blehers RainbowFish:

  • Adapts well to broad water conditions.
  • Prefers warmers waters (25 - 28 degrees Celsius).
  • Peaceful community fish with fish of similar size & temperament.
  • Matures at 6cm, grows up to 12cm.
  • Mature males have deep bodies.


Tank Mate Compatibility:

Blehers Rainbowfish are peaceful community fish that prefer to swim in groups of 6 or more. Best kept in a ratio of one male to two-three females. They can also be kept with other peaceful community fish.

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



Blehers Rainbowfish are omnivore. They feed on algae and spirulina based foods as well as protein rich foods such as high-quality flake foods, small pellets, brine shrimp, and any type of worms. 




Blehers Rainbowfish are best suited to a longer aquarium as they are active and energetic swimmers. An aquarium 3ft 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.


Blehers Rainbowfish prefer water temperatures between 25  ⁰C - 28  ⁰C. 

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


Banded Rainbowfish 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.


Blehers Rainbowfish enjoy good water quality. Ensure adequate filtration and flow in your aquarium.

Explore aquarium filtration products here.


Blehers Rainbowfish enjoy dark substrates that mimic their natural habitat. 

View our range of aquarium substrates here.


Plants for Rainbowfish:

Blehers Rainbowfish prefer spacious planted aquariums with medium to large plants, including floating plants. Plant the background 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:

The natural habitat of Blehers Rainbowfish contains lots of logs, tree stumps and plants for shelter. 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