Ember tetra - This species is of typical tetra shape but grows to a maximum overall length of approximately 2 cm .
B-a tetra - An aquarium favourite for over 60 years, the Buenos Aires Tetra is a metallic coloured fish, with red tipped fins and a black marking on the dorsal fin.
Hyphessobrycon columbianus - Only recently introduced to the aquarium trade, it is one of the more expensive tetras.
Blood characin - Serpae tetras prefer water temperatures ranging from 72-79°F .
Red rio - Cuba produced a postal stamp with an image of H.
Black neon tetra - This species is of typical elongated tetra appearance; it is of plain basic coloration but with two distinct, adjacent longitudinal stripes, white above black.
Black phantom tetra - This fish is of roughly tetragonal shape, light grey in coloring, with a black patch, surrounded by iridescent silver edging, posterior of the gills on each side.
Lemon tetra - The lemon tetra is one of the deeper-bodied tetras, contrasting with slender, torpedo-shaped relations such as the cardinal tetra and the rummy nosed tetra, whose approximate body shape when seen from the side is that of a lozenge.
Swegles's tetra - Hyphessobrycon sweglesi is a species of tetra that live in the Orinoco River drainage basin in South America.