The Siamese fighting fish (Betta splendens), also sometimes colloquially known as the Betta, is a species in the Gouramifamily which is popular as an aquarium fish. They are called pla-kad (biting fish) in Thai or trey krem in Khmer. They are a highly aggressive fish that typically are unable to be kept in community tanks - and even the females may kill each other.
These species are native to the Mekong basin of Laos, Cambodia, Vietnam and Thailand The fish can be found in vast standing waters of canals, rice paddies and floodplains.[1]
In January 2014 a large population of the fish was discovered in the Adelaide River Floodplain in the Northern Territory, Australia.[2] As an invasive species they pose a threat to native fish, frogs and other wildlife in the wetlands.[2]
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