Back to Flora & Fauna Ask Finn
No photo yet
Sign in to submit the first photo
FisheasyFreshwater
Blind Cave Tetra
Astyanax mexicanus
Family: Characidae
📍 Cave systems, Mexico
Eyeless cave-dwelling form of the Mexican tetra. Navigates entirely by lateral line. Surprisingly active and hardy — a fascinating conversation piece in any community tank.
Keeping this species
- pH
- 6.5–8.0
- diet
- omnivore
- maxSize
- 3.5 inches
- minTankSize
- 20 gallons
- temperature
- 64–77°F (18–25°C)
Community Photos
0 photosPhotos are added when members log a tank with this species and upload a photo in their tank journal. Add your own tank to contribute.
No photos yet — add a tank with Blind Cave Tetra to be the first!
Sign in to vote.
Tips from the community 💡
0 tipsReal experiences, care advice, and keeper notes. Finn learns from these too.
Sign in to share your experience.
No community tips yet — be the first to share your knowledge!
Temperature
64–77°F
18–25°C
Natural Habitat Temperature
64°F — 79°F seasonal range · (Jan low, Jun high)
Stats
Community tips0
Kept by0 hobbyists