Double Tail Betta Marble
Betta splendens
Origin: Captive bred (Southeast Asia)
Water Parameters
Quick Stats
- Max Size
- 7 cm
- Min Tank
- 15 L
- Lifespan
- 2-4
- Swimming Level
- top
- Schooling
- No
- Diet
- carnivore
- Temperament
- Aggressive toward male conspecifics; solitary
About
The Marble Double Tail Betta combines the split caudal fin of the double tail form with an unpredictable marble gene that blends whites, blues, reds, and blacks in a constantly shifting pattern. The double tail mutation also causes the dorsal fin to be broader and more symmetrical. Each fish is a unique piece of living art — marble bettas can change their pattern throughout their lives.
Care Guide
House singly in a 15L+ filtered, heated tank. Perform 30–50% weekly water changes. Feed frozen bloodworms, artemia, and quality betta pellets. Avoid boisterous tank mates. Note: marble gene bettas may continue to shift colour pattern over their lifetime — an ongoing visual surprise.
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