Shop / Rainbowfish of Australia
Threadfin Rainbow
Iriatherina werneri
| Size | Fish size | Price |
|---|---|---|
| Medium | 1.5 inches | $8.75 |
| Large | 2 inches | $12.00 |
- Scientific name
- Iriatherina werneri
- Family
- Melanotaeniidae
- Origin
- South Central New Guinea and Cape York Peninsula
- Planted tanks
- Compatible.
Care & water parameters
Contrary to some popular opinion, these Rainbows are very hardy provided you provide adequate space, good filtration (they thrive in planted tanks)and don't let the water get to hot (>84F). They will handle low temps better than most tropicals. These Rainbows prefer temperatures in the 72-78F range but will do very well with temps down to about 62F and up to about 84F. Hardness doesn't matter as much as temp as they are found in extremely soft and hard waters depending on the seasonal changes. PH should be kept between 6.5 and 7.5. These fish are omniverous and will thrive on a diet high in animal and vegetable proteins such as top quality flake feeds, and any form of live, dried or frozen brine shrimp.
About this fish
The beautiful and elegant Threadfin Rainbowfish reaches about 2+ inches in length. Although it may appear thin and fragile, especially when the male displays it's fan-like first dorsal and elongated thread-like fins, this fish is extremely hardy. A minimum of three pairs will ensure hours of dazzling displays as the males spar harmlessly in center tank.