Top Threadfin Rainbowfish Facts

Threadfin Rainbowfish is a stunning species of fish found in Australia, New Guinea, and Indonesia. These fish have become popular in aquariums around the world due to their beautiful and vibrant body markings.

  1. The Threadfin Rainbowfish is a popular freshwater aquarium fish native to Australia, New Guinea, and Indonesia. It is a hardy species and able to adapt to most water conditions.

  2. These fish have distinctive body markings ranging from light yellow to silver, with black and orange stripes on their fins. They can reach a maximum length of four inches.

  3. Threadfin Rainbowfish are schooling fish that prefer to be in groups of six or more. In the wild, they are found in shallow, slow-flowing streams and rivers that are often heavily vegetated.

  4. These fish can be kept together with other fish species, although some may become aggressive as they mature. They should have plenty of hiding places and floating plants to be comfortable in the tank.

  5. Threadfin Rainbowfish are omnivorous and will feed on both plant and animal matter, including flakes, brine shrimp, bloodworms, and other frozen foods.

  6. Threadfin Rainbowfish lay their eggs on the substrate and will guard them until they hatch. The fry can feed on infusoria and other tiny foods until they are large enough to eat flake food.

  7. In the wild, Threadfin Rainbowfish can live up to five years but typically live only two to three years in captivity.

  8. Some aquarists report that mature Threadfin Rainbowfish can display vivid oranges and reds in the sunlight, making them even more striking.

  9. Spawning occurs in a male-only group. One male will become dominant and drive away the others; this dominant male will attract females for mating.

  10. Threadfin Rainbowfish are active swimmers who often swim in the water column rather than close to the substrate.


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