The tetras are all omnivorous. In the slow moving streams in which they live they feed on small insects and crustaceans, plants and worms. The same can be fed in the aquarium, although all do well on dried flake food. When you sprinkle the food into the aquarium the school will flash toward it, break apart to eat, and then reform. Since few of the tetras grow larger than 2 inches, a school of them do fine in even a 10-gallon community aquarium. All do well with the tank temperature of around 75 degrees Fahrenheit. They like low light and a well-planted aquarium, with water slightly soft and slightly acidic, say a pH of 5.5 to 7.5.
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