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Freshwater fishTurquoise Rainbowfish
Turquoise Rainbowfish
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The Turquoise Rainbowfish is also known as the Lake Kutubu Rainbowfish and grows to a beautiful blue schooling fish. Like many Indonesian tropical fish, the native habitat of these fish is either being destroyed or converted to fish farms due to overpopulation. Fortunately, these fish are bred in Asia and Florida and have proven to be quite hardy in the aquarium environment. So, once again, the aquarium trade comes to the rescue of a beautiful species.
Quick Facts
| Scientific Name | Melanotaenia lacustris |
| Origin | Lake Kutubu, Papua New Guinea |
| Care Level | Easy |
| Temperament | Peaceful |
| Adult Size | Up to 4–5" |
| Lifespan | 5–8 years |
| Diet | Omnivore |
| Water Temperature | 72–79°F |
| pH | 7.0–8.0 |
| Group Size | Does best in a group |
| Shipping Size | Approx. 2" |
Care Guide
Tank setup: Rainbowfish are active swimmers, so leave open swimming space along the front, with plants along the back and sides. Use a filter, a heater and a tight-fitting lid, since they can jump.
Feeding: Feed a quality flake or small pellet once or twice a day, only as much as they eat in a couple of minutes. They also enjoy frozen foods like bloodworms and brine shrimp.
Tankmates: They get along with peaceful fish of similar size, such as other rainbowfish, larger tetras, barbs, danios, corydoras and plecos.
Good to know: Turquoise rainbows get bluer as they mature, and males develop a taller back.
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