Siamese algae eater
Crossocheilus oblongus
Photo: Chiroptera man · CC BY-SA 3.0
- Tank length
- 120 cmabout 4 ft (47 in)
- Group
- 6+
- Temperature
- 22–28 °C72–82 °F
- pH
- 6–8
- Adult size
- 12 cm5 in
- Lifespan
- 5–10 yrs
Algae grazing does not replace a varied diet or swimming space.Algae grazing does not replace a varied diet or swimming space.
Tank sizes
Good tankmates
Avoid with
- Alligator gar
Alligator gar may eat Siamese algae eaterAlligator gar may eat Siamese algae eater
- Antenna ray
Antenna ray may eat Siamese algae eaterAntenna ray may eat Siamese algae eater
- Arapaima
Arapaima may eat Siamese algae eaterArapaima may eat Siamese algae eater
- Asian arowana
Asian arowana may eat Siamese algae eaterAsian arowana may eat Siamese algae eater
- Australian pearl arowana
Australian pearl arowana may eat Siamese algae eaterAustralian pearl arowana may eat Siamese algae eater
- Bullseye snakehead
Bullseye snakehead may eat Siamese algae eaterBullseye snakehead may eat Siamese algae eater
- Butterfly peacock bass
Butterfly peacock bass may eat Siamese algae eaterButterfly peacock bass may eat Siamese algae eater
- Channel catfish
No shared temperature rangeNo shared temperature range
- Clown knifefish
Clown knifefish may eat Siamese algae eaterClown knifefish may eat Siamese algae eater
- Common river stingray
Common river stingray may eat Siamese algae eaterCommon river stingray may eat Siamese algae eater
- Congo bichir
Congo bichir may eat Siamese algae eaterCongo bichir may eat Siamese algae eater
- Cuban gar
Cuban gar may eat Siamese algae eaterCuban gar may eat Siamese algae eater
Data used by the planner
| Temperature | 22–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
|---|---|---|
| pH | 6–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 5–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Origin | Asia or captive aquarium strains | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | Yes | curated-v0 (needs expert review) · medium confidence |
| Care level | easy | curated-v0 (needs expert review) · medium confidence |
| Activity | active | curated-v0 (needs expert review) · medium confidence |
| Swimming level | bottom | curated-v0 (needs expert review) · medium confidence |
| Temperament | peaceful | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | curated-v0 (needs expert review) · medium confidence |
| Territorial | No | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 6 | curated-v0 (needs expert review) · medium confidence |
| Diet | herbivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 5–10 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 24 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 120 | curated-v0 (needs expert review) · medium confidence |