NEON TETRA
The dazzling crown jewel of aquariums everywhere, the hardy little neon tetra fish was originally imported from South America. Neon tetras must be kept in groups of at least a half-dozen, as they are a shoaling species. With peaceful dispositions, they are also able to be kept with other species of non-aggressive fish. They have a decently long life expectancy of 5 or more years.
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Neon tetras originated from the clear water and blackwater streams and tributaries in the Orinoco and Amazon river basins in Brazil, Columbia, and Peru. These are regions of blackwaters beneath dense forest canopies that allow very little light to get through. Neon tetras live in shoals mainly in the middle water layers and feed on insects, worms and small crustaceans.
Neon tetras are generally all captive-bred, with most coming from fish farms in the Far East and Eastern Europe. Several varieties of captive-bred specimens are now available. These include the long-finned neon tetra, though they are rather rare, as well as a golden strain that is basically a semi-albino variety, and a diamond neon tetra that appears sprinkled with metallic scales along the top portion of the body. One variety has the blue stripe but not the red coloration.