Flagtail prochilodus
Semaprochilodus insignis
moderatepeacefulmiddle swimmerProchilodontidae
- Tank length
- 200 cmabout 7 ft (79 in)
- Group
- 5+
- Temperature
- 23–29 °C73–84 °F
- pH
- 5.5–7.2
- Adult size
- 25 cm10 in
- Lifespan
- 10–15 yrs
A big, fast-swimming migratory fish that grazes plants; needs a very large tank with lots of swimming space.A big, fast-swimming migratory fish that grazes plants; needs a very large tank with lots of swimming space.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- Blue rainbowfish
No shared pH rangeNo shared pH range
- Brevis shell dweller
No shared pH rangeNo shared pH range
- Caudopunctatus
No shared pH rangeNo shared pH range
- Irian Jaya rainbowfish
No shared pH rangeNo shared pH range
- Multies
No shared pH rangeNo shared pH range
- Parkinson's rainbowfish
No shared pH rangeNo shared pH range
- Pindani
No shared pH rangeNo shared pH range
- Rusty cichlid
No shared pH rangeNo shared pH range
- Saulosi cichlid
No shared pH rangeNo shared pH range
- Similis shell dweller
No shared pH rangeNo shared pH range
- Afra cichlid
No shared pH rangeNo shared pH range
Data used by the planner
| Temperature | 23–29 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 5.5–7.2 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 1–12 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Amazon basin | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | moderate | curated-v0 (needs expert review) · medium confidence |
| Activity | active | curated-v0 (needs expert review) · medium confidence |
| Swimming level | middle | 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 | 5 | curated-v0 (needs expert review) · medium confidence |
| Diet | herbivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 10–15 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 30 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | No | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 200 | curated-v0 (needs expert review) · medium confidence |