Diamond tetra
Moenkhausia pittieri
easypeacefulmiddle swimmerCharacidae

Photo: SOK · CC BY-SA 4.0
- Tank length
- 75 cm30 in
- Group
- 6+
- Temperature
- 24–28 °C75–82 °F
- pH
- 5.5–7.5
- Adult size
- 5 cm2 in
- Lifespan
- 3–6 yrs
Adults need more room than their small shop size suggests.Adults need more room than their small shop size suggests.
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
- African knifefish
African knifefish may eat Diamond tetraAfrican knifefish may eat Diamond tetra
- African pike
African pike may eat Diamond tetraAfrican pike may eat Diamond tetra
- Alligator gar
Alligator gar may eat Diamond tetraAlligator gar may eat Diamond tetra
Data used by the planner
| Temperature | 24–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
|---|---|---|
| pH | 5.5–7.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
| Origin | South America | 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 | moderate | 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 | 6 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 3–6 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 12 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 75 | curated-v0 (needs expert review) · medium confidence |