A good environment
- Recommended temperature
- 20 ~ 26°C
- Recommended pH
- 6.5 ~ 8.0
- Preferred water hardness
- Medium hardness
- Minimum aquarium
- 100L or more
A beginner-friendly fish guide
Blind Cave Tetra
Blind Cave Tetra
Astyanax mexicanus
Moderate temperament; shoaling fish. Check the planner before choosing tank mates.
Beginner level 4/5
Temperament & group size
Moderate temperament; Shoaling fish.
For a comfortable group, keep at least 6.
Usually swims in the middle.
Tank-mate notes
Adult shrimp may be attacked; take care with shrimp tank mates.
Baby shrimp may be eaten. A separate breeding tank is safer.
Check each combination carefully, especially when size or temperament differs.