Congo tetra was created in 1899.
Bucktooth tetra was created in 1844.
Gold tetra was created in 1909.
Tetra Tech was created in 1966.
Tetra Films was created in 1992.
Tetra JSC was created in 1995.
Tetra Pak was created in 1951.
Ember tetra was created in 1987.
Black tetra was created in 1895.
Tetra Karcist was created in 2007-06.
Black neon tetra was created in 1961.
Cochu's blue tetra was created in 1966.
Green neon tetra was created in 1963.