
Rasbora sumatrana
Danionidae, Rasborinae

Danionidae, Rasborinae
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Lives wild in Cambodia, China, Indonesia, Laos, Malaysia, Thailand, and Vietnam.
Inhabits streams and creeks with moderate to swift, relatively cold and well-oxygenated water. Lives in hill streams to lowland peats. Found in medium to large rivers and brooks of the middle Mekong. Occurs in running waters of lower Mekong.
Why "one cm of fish per liter" falls short, and what adult size, schools, territory and swimming zones mean for how many fish a tank can hold.
Velvet is a fast-moving parasite. Dropsy is a sign that something is seriously wrong inside the fish. How to recognize them, and what you can do.
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.