The spotfin betta or Brunei beauty[1] (Betta macrostoma) is a species of labyrinth fish endemic to the island of Borneo. It generally inhabits pools of very slow-moving water along rivers and streams in very shallow waters of 30 cm (12 in) or less. This species grows to a length of 6.7–10 cm (2.6–3.9 in) in the wild[2], and is occasionally found in the aquarium trade; in captivity this species regularly reaches 10.1 cm (4 in) in length.[3][4][2] It also has a rectangular body.[2]
| Spotfin betta | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Anabantiformes |
| Family: | Osphronemidae |
| Genus: | Betta |
| Species: | B. macrostoma |
| Binomial name | |
| Betta macrostoma Regan, 1910 | |
References
edit- 1 2 Low, B.W. (2019). "Betta macrostoma". IUCN Red List of Threatened Species. 2019 e.T2782A90332155. doi:10.2305/IUCN.UK.2019-2.RLTS.T2782A90332155.en. Retrieved 16 November 2021.
- 1 2 3 "Spotfin betta • Betta macrostoma • Fish sheet". Fishipedia. Retrieved 2026-06-15.
- ↑ Froese, Rainer; Pauly, Daniel (eds.). "Betta macrostoma". FishBase. February 2014 version.
- ↑ "Betta macrostoma – Brunei Beauty — Seriously Fish".
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