Kao-ping Chub (Opsariichthys kaopingensis)

Family: Cyprinidae

Kao-ping Chub — a Cyprinidae from Kaoping River, Taiwan, peaceful; keep with similar-sized calm tankmates. Reaches 8.6–12.5 cm; keep in a group of 4–6 for natural behaviour. 10–20 °C.

Care parameters

Water temperature
10–20 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
8.6–12.5 cm
Minimum tank
188 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Peaceful; keep with similar-sized calm tankmates
Origin
Kaoping River, Taiwan

Species overview

Opsariichthys kaopingensis is a Cyprinidae from Kaoping River, Taiwan. Its calm temperament and broad diet make it one of the more forgiving residents of a community tank. It lives on the bottom. Adults reach 8.6–12.5 cm. Keep in a group of 4–6 for natural behaviour. Stable water, regular partial changes and a varied diet cover nearly everything it needs. Maintain 10–20 °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
Keep in a group of 4–6 for natural behaviour
Diet
Omnivore; prepared foods with regular variety
Recommended tankmates
  • Robust schooling cyprinids — Add activity without conflict
Avoid keeping with
  • Much larger predators — Risk at night

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Breeding is straightforward scatter-spawning