Aphyocypris moltrechti

Family: Cyprinidae

Aphyocypris moltrechti — a Cyprinidae from Taiwan, China, hardy, active mid-water fish; never stop moving. Reaches 4.4–6.5 cm; tight schooler; the more the livelier. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
4.4–6.5 cm
Minimum tank
51 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Hardy, active mid-water fish; never stop moving
Origin
Taiwan, China

Species overview

Cyprinidae species Aphyocypris moltrechti comes from Taiwan, China. A restless micropredator of the surface film, evolved for open, sunlit water. It lives on the bottom. Adults reach 4.4–6.5 cm. Tight schooler; the more the livelier. Generous swimming room, a big school and clean water cover nearly all of its care. Maintain 18–26 °C at pH 6.5–7.5. Water quality and diet matter more than décor.

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
Tight schooler; the more the livelier
Diet
Eager eater; small frequent feeds suit its pace
Recommended tankmates
  • Other danios and small rasboras — Form a fast, peaceful upper-water school
Avoid keeping with
  • Slow, timid fish — Outcompeted at the surface

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Egg-scatterer among plants; no parental care