Korean Dark Chub (Nipponocypris koreanus)

Family: Cyprinidae

Korean Dark Chub — a Cyprinidae from Korean Peninsula, mostly peaceful community fish. Reaches 13–19.1 cm; singly or in small groups depending on temperament. 12–26 °C.

Care parameters

Water temperature
12–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
13–19.1 cm
Minimum tank
438 L
Water layer
Active throughout the water column
Difficulty
Moderate
Temperament
Mostly peaceful community fish
Origin
Korean Peninsula

Species overview

Nipponocypris koreanus is a Cyprinidae from Korean Peninsula. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays mostly peaceful community fish. Plan on 13–19.1 cm of adult fish at 12–26 °C. Related profiles: Nipponocypris sieboldii, Nipponocypris temminckii.

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
Singly or in small groups depending on temperament
Diet
Accepts quality flakes, granules and frozen foods
Recommended tankmates
  • Similar-sized peaceful community fish — Compatible size and temperament
Avoid keeping with
  • Fin-nippers — Constant stress

Breeding & notes

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

Frequently asked questions

Is Korean Dark Chub easy to keep?

Intermediate difficulty. Mostly peaceful community fish; singly or in small groups depending on temperament.

What temperature and water chemistry does Korean Dark Chub need?

Hold 12–26 °C and keep it stable — 12.0–26.0 °C typical for the genus. Room temperature to heated, depending on origin.

How big does Korean Dark Chub get, and what tank size?

Adults reach 13–19.1 cm; it is active throughout the water column. Plan for at least 438 litres.

What does Korean Dark Chub eat?

Accepts quality flakes, granules and frozen foods. It forages naturally over fine gravel and sand, so let some food reach the bottom.

Can Korean Dark Chub live with other fish?

Mostly peaceful community fish; singly or in small groups depending on temperament. Good company: Similar-sized peaceful community fish — Compatible size and temperament. Keep away from Fin-nippers — Constant stress.

Where does Korean Dark Chub come from?

Native to Korean Peninsula, where it lives in clear streams and rivers over gravel. Moderate, well-oxygenated current; Appreciates well-oxygenated water.

Does Korean Dark Chub jump?

Low escape risk, but a lid is cheap insurance.

How does Korean Dark Chub breed?

Egg-scatterer; no parental care. Males often slimmer and more colourful.