facts about siamese fighting fishThis fish comes from Thailand and the old name of Thailand was Siam. Other names for this fish are: Japanese Fighting Fish, Samarai Fighting Fish, Chinese Fighting Fish and Mexican combating Fish. The Cambodian Fighting Fish is a colour range of this fish. If you place two males together they may typically fight after dealing with a exhibit. The display looks part of the fish’s approach to recognising the sex of any other fish. In a restricted space like a small aquarium a fight would usually end with one fish dead.