Severum
Heros efasciatus
moderatesemi aggressivemiddle swimmerCichlidae
- Tank length
- 120 cmabout 4 ft (47 in)
- Start with
- 1
- Temperature
- 22–29 °C72–84 °F
- pH
- 5.5–7.5
- Adult size
- 20 cm8 in
- Lifespan
- 10–15 yrs
Calmer than most large cichlids but eats soft plants; a pair needs a tank of at least 120 cm with smooth substrate.Calmer than most large cichlids but eats soft plants; a pair needs a tank of at least about 4 ft (47 in) with smooth substrate.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
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
- Multies
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
- Alligator gar
Alligator gar may eat SeverumAlligator gar may eat Severum
- Arapaima
Arapaima may eat SeverumArapaima may eat Severum
- Asian arowana
Asian arowana may eat SeverumAsian arowana may eat Severum
Data used by the planner
| Temperature | 22–29 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 5.5–7.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Amazon basin, Brazil and Peru | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | Yes | curated-v0 (needs expert review) · medium confidence |
| Care level | moderate | curated-v0 (needs expert review) · medium confidence |
| Activity | moderate | curated-v0 (needs expert review) · medium confidence |
| Swimming level | middle | curated-v0 (needs expert review) · medium confidence |
| Temperament | semi aggressive | 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 | Yes | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | No | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 1 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 10–15 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 18 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | No | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 120 | curated-v0 (needs expert review) · medium confidence |