Description
The Threadfin Rainbowfish is commonly known as the 'Threadfin' or 'Featherfin' Rainbowfish. It is a small, peaceful Rainbow Fish that will benefit from heavily planted tanks. Native to New Guinea and Northern Australia. Specimens found in New Guinea are usually darker than the Australian variety. Males have large and unique dorsal fins.
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Features of Threadfin Rainbowfish:
- Slender elongated body that is overall silver in colour
- Mature males develop elongated and unique fins that are black with a red washed dorsal fin and tail
- Peaceful community fish with fish of similar size & temperament
- Grows to 4-5cm
Tank Mate Compatibility:
Threadfin 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 females. They can also be kept with other peaceful community fish and Rainbowfish of similar size. Avoid keeping with fin nipping species.
Here’s a list of some of the best tank mates:
Diet:
Threadfin Rainbowfish are omnivore's. Feed protein rich foods such as high-quality flake foods and small pellets. For healthy fish, ensure a varied diet. This species enjoy live foods such as bloodworms, blackworms and brine shrimp. They also feed on algae and spirulina based foods. Fresh vegetables such as lettuce, kale, zucchini and cucumber can be provided.
Check out our extensive range of aquarium fish foods.
The Best Aquarium Size for Threadfin Rainbowfish:
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.
Check out these suitable aquarium brands:
After an Aquarium for your fish? Browse Aquarium Tank Selection here.
Threadfin Rainbowfish Tank Setup:
Aquarium Filtration for Threadfin Rainbowfish
A good filtration system is necessary as they enjoy clean and clear waters with a slow flow rate. Ensure your filter has an adequate flow rate to effectively remove waste from the aquarium. Naturally found in waters with minimal to slow water movement.
Shop our comprehensive range of aquarium filters here.
Aquarium Heater for Threadfin Rainbowfish
This fish enjoy temperatures between 22 - 28° C. If you are unable to maintain this temperature naturally, use an aquarium heater. Aquarium heaters also stabilize water temperatures. A thermometer is recommended to monitor the water temperature.
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Aquarium Lighting for Threadfin Rainbowfish
Threadfin 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. If using moderate regular lighting, broad leaf and floating aquarium plants can offer shaded areas.
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Substrate for Threadfin Rainbowfish
Threadfin Rainbowfish enjoy dark substrates that mimic their natural habitat. Aquarium gravel and sand is suitable.
View our range of aquarium substrates here.
Aquarium Plants for Threadfin Rainbowfish
Threadfin Rainbowfish prefer spacious planted aquariums with medium to large plants, including lots of 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.
Aquarium Decorations Threadfin Rainbowfish
Rock & wood can be placed in the aquarium to mimic natural habitats and provide hiding locations to retreat to and reduce stress. Rainbowfish that are less stressed show brighter colours.
View our large range of aquarium decorations here.
*Images used with permission
