Sundadanio axelrodi
Sundadanio axelrodi
Also known as: Blue Axelrod Rasbora, Axelrod's Rasbora, Neon Blue Rasbora
Origin: Sumatra, Borneo, Indonesia
Water Parameters
Quick Stats
- Max Size
- 2.5 cm
- Min Tank
- 20 L
- Lifespan
- 3-5
- Swimming Level
- middle
- Schooling
- Yes (8–20+)
- Diet
- omnivore
- Temperament
- peaceful, active blackwater schooler
About
Sundadanio axelrodi is found in the peat swamp forests of Sumatra and Borneo in extremely soft, acidic blackwater. Under proper aquarium lighting, the males display intense metallic blue-green upper body colouration with red lower flanks. Multiple colour variants (blue, red, green) are known from different populations.
Care Guide
Water: 22–28 °C, pH 4.0–6.5, very soft (GH 0–5); Indian almond leaves and peat recommended. Tank: 20 L minimum; blackwater biotope setup; dark substrate and tannin-stained water. Feeding: Micro foods — baby brine shrimp, Cyclops, micro pellets; two small feeds daily. Behaviour: Peaceful active schooler; keep 10+ for best colouration in males. Compatibility: Nano shrimp, other Boraras, CPD; avoid all but the most peaceful tank mates.
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