Hyphessobrycon amapaensis

Hyphessobrycon amapaensis, sometimes more commonly known as the red line tetra, the Amapá tetra, or scarlet tetra, is a species of fish endemic to Brazil.

Description
The red line tetra is similar in shape to the Buenos Aires tetra. It is a silvery fish with a red line running down the body, hence the name. Below the red line is a small yellow line and an even smaller black one. They grow to about 2.5 to 3 cm.

Distribution and habitat
The species is only known from its type locality, a small savanna creek in the drainage of the Rio Preto, where it occurs over sand and gravel bottoms.

In the aquarium
The red line tetra is a peaceful community fish. They are best kept in groups of 6 to 8. A heavily planted tank is recommended. The temperature required is 23 to 28 C. They are an egg scattering fish that does not care for its young.