Beautiful Siamese Fighting Fish Betta Halfmoon Keychain

Beautiful Siamese Fighting Fish - Betta Halfmoon Yellow Mixed Grey Black Background - The Siamese fighting fish is a freshwater fish native to Southeast Asia and is a globally popular aquarium fish because of its assorted colour. This one is called a halfmoon betta because of the shape of its fin that looks like a – "D" shaped caudal fin that forms a 180° angle, the edges of the tail are crisp and straight.