Betta
Betta splendens
Also known as Siamese Fighting Fish, Betta Fish, Fighting Fish, Splendid Betta
Animalia›Chordata›Perciformes›Osphronemidae
📍 Southeast Asia
The Siamese fighting fish is celebrated for its spectacular finnage and bold colours. Males are highly territorial and must be kept singly or with carefully chosen, non-nippy tankmates. They breathe atmospheric air via a labyrinth organ, so surface access is essential.
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Tanks keeping this 🐟
Kept by 8 hobbyistsCommunity tanks featuring Betta.
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Quick Facts
- diet
- Carnivore – betta pellets, bloodworms, brine shrimp
- lifespan
- 2–5 years
- max size
- 7 cm (2.75 in)
- tank size
- 5 gallons minimum (10 recommended)
- temperament
- Aggressive toward conspecifics; semi-aggressive with others
Water it likes
- ph
- 6.5–7.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 2–12 dGH
- temperature
- 75–86°F (24–30°C)
Legality
No state or federal restrictions on record for this species.
Not legal advice, and possibly incomplete or out of date. Rules vary by state and locality and change over time — always confirm the current regulations with your state wildlife or agriculture agency before buying, keeping, or shipping this species.





