
Slender rasbora
Rasbora daniconius
Danionidae, Rasborinae

Rasbora daniconius
Danionidae, Rasborinae
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Lives wild in Bangladesh, Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar (Burma), and 5 more countries.
Occurs in a variety of habitats: ditches, ponds, canals, haors, streams, rivers and inundated fields. Inhabits mainly sandy streams and rivers. Found in medium to large rivers and brooks of the middle Mekong. In the Mekong basin, this species is usually associated with large, slow flowing rivers, usually with turbid waters. Sometimes forms large schools. Feeds mainly on aquatic insects and detritus. A surface feeder. Spawning sites are found in rivers and ponds. Mature adults probably breed during the rainy season. Hardy and adaptable in the aquarium.
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.