Pseudogastromyzon fasciatus

Family: Balitoridae

A peaceful algivore balitoridae from the coastal rivers of South China (Fujian and Guangdong) — moderate care.

Care parameters

Water temperature
18–26 °C
pH
6.5–7.5
GH hardness
5–15 dGH
Adult length
5.7–8.2 cm
Minimum tank
82 L
Water layer
Bottom; rests and forages low
Difficulty
Moderate
Temperament
Peaceful
Origin
southern Chinese coasts and estuaries

Species overview

A Balitoridae species native to southern Chinese coasts and estuaries: Pseudogastromyzon fasciatus lives bottom; rests and forages low over clear streams, rivers and still waters. Peaceful. Adults reach 5.7–8.2 cm. It is one of the aquarium-kept Pseudogastromyzon species we profile, alongside Pseudogastromyzon cheni, Pseudogastromyzon myersi, Pseudogastromyzon changtingensis.

Native biotope

Habitat
Clear streams, rivers and still waters
Flow
Strong current with heavy aeration
Dissolved O₂
Demands high dissolved oxygen

Aquascape & hardware

Substrate
Gravel
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
Solitary, pairs or small groups
Diet
Algivore; 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 Pseudogastromyzon fasciatus easy to keep?

Intermediate difficulty. Peaceful; solitary, pairs or small groups.

What temperature and water chemistry does Pseudogastromyzon fasciatus need?

Hold 18–26 °C and keep it stable — community-standard range; verify locally. Standard heater to hold the mid-range steadily.

How big does Pseudogastromyzon fasciatus get, and what tank size?

Full size is 5.7–8.2 cm. Minimum tank: 82 L, with open swimming space along its bottom; rests and forages low habits.

What does Pseudogastromyzon fasciatus eat?

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

Can Pseudogastromyzon fasciatus live with other fish?

Peaceful; solitary, pairs or small groups. 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 Pseudogastromyzon fasciatus come from?

Comes from southern Chinese coasts and estuaries: clear streams, rivers and still waters. Expect strong current with heavy aeration and demands high dissolved oxygen.

How does Pseudogastromyzon fasciatus 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.