Rosetail Betta
Betta splendens
Also known as: Rosetail Betta, Rose Tail Betta, Extreme Halfmoon
Origin: Southeast Asia
Water Parameters
Quick Stats
- Max Size
- 7 cm
- Min Tank
- 20 L
- Lifespan
- 2-4
- Swimming Level
- top
- Schooling
- No
- Diet
- carnivore
- Temperament
- males aggressive to own species; may self-bite under stress
About
The rosetail is produced by heavy branching of the fin rays beyond the standard halfmoon, causing the tail edges to overlap and ruffle like the petals of a rose. While breathtakingly beautiful, the excess fin tissue makes rosetails more prone to fin biting and requires careful water quality management. Best suited to experienced hobbyists.
Care Guide
Water: 26-30°C, pH 6.0-7.5, soft water preferred — pristine conditions prevent fin infections. Tank: minimum 20L, low flow; avoid any rough decorations that could snag delicate fins. Feeding: betta pellets, frozen bloodworm, daphnia — feed sparingly to maintain condition. Behaviour: males are aggressive; the heavy finnage may invite self-biting under stress. Compatibility: house with very gentle tank mates only; best kept in a species tank.
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