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Marble Betta
Betta splendens 'Marble'
Family: Osphronemidae
Marble Bettas carry a transposon-driven colour mutation discovered in the 1970s that causes random, irregular patches of pigmentation. One of their most fascinating traits is colour instability — a marble betta can spontaneously change colour pattern over its lifetime as the transposon activates or silences pigment genes. This unpredictability makes every individual unique and constantly surprising to their owners.
Keeping this species
- diet
- Carnivore – betta pellets, bloodworms, daphnia
- lifespan
- 2–4 years
- max size
- 7 cm (2.75 in)
- tank size
- 5 gallons minimum
- temperament
- Aggressive toward male conspecifics
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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)