 Baensch's "Tetramin" fish food consisted of four different type of flakes and vitamins.The brand name "Tetramin" was derived from the Greek word "Tetra" (meaning "four") and the third syllable of the word vitamin.The invention of "Tetramin" flakes, in its trademark yellow tin and brown lid, allegedly changed the fishkeeping hobby from a minor aquatic specialty into a favorite of millions of enthusiasts all over the world, thus making "Tetramin" a supposedly notable brand of fish food and Tetra Werke as a self-proclaimed globally recognized company in the industry, earning international affiliate.