- Tan, H.H. and P.K.L. Ng 2005 The fighting fishes (Teleostei: Osphronemidae: Genus Betta) of Singapore, Malaysia and Brunei. Raffles Bull. Zool. Supplement (13):43-99. (Ref. 56613)
- Vidthayanon, C. 2002 Peat swamp fishes of Thailand. Office of Environmental Policy and Planning, Bangkok, Thailand, 136 p. (Ref. 57235)
Habitat and Ecology
Life History and Behavior
Molecular Biology and Genetics
Barcode data: Betta imbellis
Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.
See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Download FASTA File
Statistics of barcoding coverage: Betta imbellis
Public Records: 4
Specimens with Barcodes: 13
Species With Barcodes: 1
IUCN Red List Assessment
Red List Category
Red List Criteria
Relevance to Humans and Ecosystems
The peaceful betta or crescent betta, Betta imbellis, is native to Southeast Asia, where it occurs naturally in Thailand, Malaysia, and Indonesia, and has been introduced to Singapore. It is an inhabitant of stagnant waters in swamps, rice paddies, ditches, and pools. This species grows to a length of 6 cm (2.4 in). It is found in the aquarium trade.