Rhodeus fangi

Family: Cyprinidae

A peaceful omnivore cyprinidae from the middle and lower Yangtze and the Huai basin of China — moderate care.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
4.5–6.5 cm
Minimum tank
65 L
Water layer
Mid-water swimmer; keep 6+
Difficulty
Moderate
Temperament
Peaceful
Origin
Yangtze basin, China

Species overview

Rhodeus fangi, a member of the family Cyprinidae, comes from Yangtze basin, China, where it inhabits clear streams, rivers and still waters. Peaceful and omnivore; quality prepared foods with variety, it grows to 4.5–6.5 cm and adapts well to a properly set-up aquarium in the 18–26 °C range. Other Rhodeus species in our database include Rhodeus lighti, Rhodeus ocellatus, Rhodeus sinensis.

Native biotope

Habitat
Clear streams, rivers and still waters
Flow
Still to very gentle water
Dissolved O₂
Average oxygen needs

Aquascape & hardware

Substrate
Smooth gravel and sand with open floor space
Hardscape
Driftwood, water-worn stones and shelters that mimic the native biotope
Plants
Hardy plants on hardscape; keep the floor open

Temperament, diet & tankmates

Schooling
Keep 6+; larger groups settle better
Diet
Omnivore; quality prepared foods with variety
Recommended tankmates
  • Amur False Gudgeon — Similar size and water needs
  • China-Bitterling — Similar size and water needs
  • Acanthorhodeus chankaensis — Similar size and water needs
Avoid keeping with
  • Large aggressive cichlids — Bullying and injury risk
  • Known fin nippers — Constant stress and fin damage

Breeding & notes

Sexual dimorphism
Males are typically slimmer and more intensely colored; females fuller-bodied
Breeding method
Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes

Frequently asked questions

Is Rhodeus fangi easy to keep?

Intermediate difficulty. Peaceful; keep 6+; larger groups settle better.

What temperature and water chemistry does Rhodeus fangi need?

Aim for 18–26 °C. Standard heater to hold the mid-range steadily; community-standard range; verify locally.

How big does Rhodeus fangi get, and what tank size?

Full size is 4.5–6.5 cm. Minimum tank: 65 L, with open swimming space along its mid-water swimmer; keep 6+ habits.

What does Rhodeus fangi eat?

Omnivore; quality prepared foods with variety. Feed two small meals a day rather than one large one.

Can Rhodeus fangi live with other fish?

Peaceful; keep 6+; larger groups settle better. Good company: Amur False Gudgeon — Similar size and water needs, China-Bitterling — Similar size and water needs, Acanthorhodeus chankaensis — Similar size and water needs. Keep away from Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage.

Where does Rhodeus fangi come from?

Comes from Yangtze basin, China: clear streams, rivers and still waters. Expect still to very gentle water and average oxygen needs.

How does Rhodeus fangi breed?

Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes. Males are typically slimmer and more intensely colored; females fuller-bodied.