Dwarf Spotted Danio — a Cyprinidae from South & Southeast Asia, peaceful and energetic; shy only when kept too few. Reaches 2.3–3.4 cm; shoaling; 8–10+ for constant motion and confidence. 18–24 °C.
Care parameters
Water temperature
18–24 °C
pH
6–8
GH hardness
5–19 dGH
Adult length
2.3–3.4 cm
Minimum tank
25 L
Water layer
Active throughout the water column
Difficulty
Moderate
Temperament
Peaceful and energetic; shy only when kept too few
Origin
South & Southeast Asia
Species overview
Danio nigrofasciatus is a Cyprinidae from South & Southeast Asia. Built for speed in clear streams — colour, condition and courage all track water quality. It uses the whole water column. Adults reach 2.3–3.4 cm. Shoaling; 8–10+ for constant motion and confidence. Cover the surface with floating plants, keep the school large, and maintain spotless water. Maintain 18–24 °C at pH 6–8. A rewarding species for the aquarist who reads before buying.
Native biotope
Habitat
Clear streams and rivers over gravel
Flow
Moderate, well-oxygenated current
Dissolved O₂
Appreciates well-oxygenated water
Aquascape & hardware
Substrate
Fine gravel and sand
Hardscape
Water-worn stones and driftwood
Plants
Hardy rooted plants along the margins
Temperament, diet & tankmates
Schooling
Shoaling; 8–10+ for constant motion and confidence
Diet
Omnivore; accepts everything small enough
Recommended tankmates
Corydoras and small loaches — Occupy the bottom without fuss
Avoid keeping with
Large predators — Out-swim fate only so long
Breeding & notes
Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Spawns at dawn over fine plants; eggs fall to the bottom