Betta Fish or Siamese Fighting Fish Scientific Name: Betta Splendens (given this scientific name in 1909 after previously being named Macropodus Pugnax) Common Name: Siamese Fighting Fish Genus (groups of animals from the same family): Betta Betta Fish are often referred to as Siamese Fighting Fish and people sometimes wonder why. Other people who know them as … [Read more...] about The History of Betta Fish