A family of midwater-dwelling, schooling fish. Some particular species, such as the Neon Tetra, the Glow-light Tetra, and the Buenos Aires Tetra are very common in aquarium stores and usually make excellent additions to a community aquarium due to their peaceful nature. Some species, however, require special water properties that might make them incompatible with other species of fish in the aquarium.

A type of aquarium fish that are usually under 3" in length. Similar to Barbs. Most tetras that I know of are natives of South America, specifically the Amazon Basin. This means they like soft water and a low pH.

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