| Threadfin Rainbowfish | Profile and Description |
| Size | Up to 2 inches or 5 cm |
| Origin | South East Asia and Northern Australia |
| Natural habitat | Swamps and slow flowing streams with heavy vegetation |
| Fish Hardiness | Easy to keep |
| Water Temperature | 73 - 86 ºF or 23 - 30 ºC |
| Water pH | 6.0 – 8.0 pH |
| Water Hardness | 5 - 15 dH |
| Strata | Top and middle |
| Peaceful or Aggressive | Peaceful |
| Number of same species in one aquarium | Six or more, more is better, try and keep one male for every two females |
| Minimum tank size | 12 gallons or 40 liters for every group of six fish |
| Community Fish | Yes |
| Compatible with | Other Rainbowfish, Cory Cats, small Plecos, Glass Catfish, peaceful Tetras, Hatchetfish, peaceful Rasboras, Halfbeaks and Loaches |
| Sexes | Males are more colorful with longer and more prominent fins than the females |
| Food | Omnivore - flake food, live or frozen daphnia, blood worms or brine shrimp. Food particles needs to be fairly small |
| Breeding | Not very easy to breed |
| Breeding temperature | 79 - 86 °F or 26 - 30 °C |
| Other names | Featherfin Rainbowfish |
| Scientific name | Iriatherina werneri |
| Other Scientific names | Non-known |
| Lifespan | 4 years |
