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Mahachai Betta
Betta mahachaiensis
Family: Osphronemidae
Betta mahachaiensis is a wild betta discovered in 2012 in the brackish coastal habitats of Samut Sakhon, Thailand — making it unique among bettas in its tolerance for slightly saline conditions. Males display striking iridescent teal-blue scale edging similar to B. smaragdina. It builds bubble nests and is less aggressive than B. splendens toward other species. Its restricted wild range makes it important for conservation-minded hobbyists.
Keeping this species
- diet
- Carnivore – betta pellets, live/frozen small invertebrates
- notes
- Tolerates low-level brackish conditions (SG 1.002–1.005)
- lifespan
- 3–5 years
- max size
- 6.5 cm (2.6 in)
- tank size
- 10 gallons minimum
- temperament
- Moderately aggressive toward male conspecifics
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Water it likes
- ph
- 6.5–8.0
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 5–20 dGH
- temperature
- 75–86°F (24–30°C)