Feathertail Betta
Betta splendens
Also known as: Feathertail Betta, Extreme Rosetail, Feather Fin Betta
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; highly susceptible to stress-induced fin biting
About
Beyond the rosetail, the feathertail represents the furthest extent of fin ray branching in Betta splendens, producing a delicate, feather-like caudal fin. This extreme finnage requires exceptional water quality and very gentle flow. These fish are best regarded as display specimens and require knowledgeable, attentive care.
Care Guide
Water: 26-30°C, pH 6.0-7.0, very soft and clean — weekly water changes are essential. Tank: minimum 20L, near-zero flow; silk or soft plants only to protect delicate finnage. Feeding: small betta pellets, frozen daphnia, bloodworm — tiny amounts twice daily. Behaviour: highly prone to fin biting due to excess fin weight; enriched environment reduces stress. Compatibility: species-only setup strongly recommended; zero fin-nippers permitted.
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