Chinese Algae Eater
Gyrinocheilus aymonieri
Chinese Algae Eater (Gyrinocheilus aymonieri) — Varies care, Peaceful, under Other. Minimum tank in the app: 46 US gal min; aim for 72–79°F and pH 6.5–7.5. The Chinese Algae Eater is well-suited for aquarists looking for a resilient algae control companion in larger tanks.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Asia
- East & Southeast Asia
Regional colours match the stocking calculator’s origin map.
Chinese Algae Eater Tank Setup
Aim for a spacious layout with ample hiding places, ideally incorporating rock formations and plants that create both open swimming areas and sheltered zones. A moderate water flow can mimic its natural habitat, while a darker substrate can enhance its color. Maintain stable water parameters with a pH between 6.5 and 7.5 and temperatures around 22 to 26°C.
What Do Chinese Algae Eaters Eat?
These fish are omnivorous and can compete for food, particularly if offerings are sporadic. Offer a varied diet that includes algae wafers, blanched vegetables, and high-quality flakes to ensure proper nutrition, as this can influence their coloration and overall health.
Chinese Algae Eater Tank Mates
Ideal tank mates include similarly sized or slightly smaller species that occupy different swim zones, like tetras or rasboras. Avoid slow-moving fish or those that dwell in the same mid-level zone, as competition can lead to stress or aggression. When kept solo, they may display a more subdued demeanor, but in groups, they can become more active and assertive, although they do not form social bonds like shoaling species.
Are Chinese Algae Eaters Good for Beginners?
Care demand varies with setup and individual fish; use the numbers above as your baseline. A common oversight is underestimating their dietary needs, leading to malnourishment or aggressive behavior due to competition for food. failure to provide sufficient cover can exacerbate territorial disputes and stress.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




