Phoxinus kumgangensis

Family: Cyprinidae

Phoxinus kumgangensis — a Cyprinidae from Korean Peninsula, peaceful; keep with similar-sized calm tankmates. Reaches 11.2–16.5 cm; keep in a group of 4–6 for natural behaviour. 18–26 °C.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
11.2–16.5 cm
Minimum tank
327 L
Water layer
Active throughout the water column
Difficulty
Moderate
Temperament
Peaceful; keep with similar-sized calm tankmates
Origin
Korean Peninsula

Species overview

Phoxinus kumgangensis, a member of the family Cyprinidae, comes from Korean Peninsula, where it inhabits clear streams and rivers over gravel. Peaceful; keep with similar-sized calm tankmates and omnivore; prepared foods with regular variety, it grows to 11.2–16.5 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. In a community tank it pairs well with Similar-sized peaceful community fish.

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
  • 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
Breeding is straightforward scatter-spawning

Frequently asked questions

Is Phoxinus kumgangensis easy to keep?

A moderate-level species: peaceful; keep with similar-sized calm tankmates; stable water matters more than fancy equipment.

What temperature and water chemistry does Phoxinus kumgangensis need?

Set the heater to 18–26 °C and avoid swings. pH 6.5–7.5, GH 5–15 dGH suit it.

How big does Phoxinus kumgangensis get, and what tank size?

Expect 11.2–16.5 cm as an adult, living active throughout the water column. A 327 L tank or larger gives it room.

What does Phoxinus kumgangensis eat?

Omnivore; prepared foods with regular variety. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Phoxinus kumgangensis live with other fish?

Peaceful; keep with similar-sized calm tankmates; keep in a group of 4–6 for natural behaviour. Good company: Similar-sized peaceful community fish — Compatible size and temperament. Keep away from Fin-nippers — Constant stress.

Where does Phoxinus kumgangensis come from?

Its home waters are Korean Peninsula — clear streams and rivers over gravel, with moderate, well-oxygenated current.

Does Phoxinus kumgangensis jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Phoxinus kumgangensis breed?

In the aquarium: breeding is straightforward scatter-spawning. Males often slimmer and more colourful.