Julii cory
Corydoras julii
- Tank length
- 20 cm8 in
- Group
- 6+
- Temperature
- 25–28 °C77–82 °F
- pH
- 5.5–7.8
- Adult size
- 5 cm2 in
- Lifespan
- 5–10 yrs
True julii is rarely sold (most are C. trilineatus); either way keep six or more on sand in a mature tank.True julii is rarely sold (most are C. trilineatus); either way keep six or more on sand in a mature tank.
Tank sizes
Good tankmates
Avoid with
- African clawed frog
No shared temperature rangeNo shared temperature range
- Blue acara
No shared temperature rangeNo shared temperature range
Celestial pearl danioNo shared temperature rangeNo shared temperature range
- Dusky millions fish
No shared temperature rangeNo shared temperature range
- Glowlight danio
No shared temperature rangeNo shared temperature range
- Golden dwarf barb
No shared temperature rangeNo shared temperature range
- Pearl danio
No shared temperature rangeNo shared temperature range
- Ticto barb
No shared temperature rangeNo shared temperature range
Zebra danioNo shared temperature rangeNo shared temperature range
- African knifefish
African knifefish may eat Julii coryAfrican knifefish may eat Julii cory
- African pike
African pike may eat Julii coryAfrican pike may eat Julii cory
- Alligator gar
Alligator gar may eat Julii coryAlligator gar may eat Julii cory
Data used by the planner
| Temperature | 25–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 5.5–7.8 | 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 | Lower Amazon tributaries, northeastern Brazil | 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 | 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 | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 5–10 | 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 |