Mexican Blind Cave Tetra
Mexican Blind Cave Tetra (Astyanax mexicanus)
Freshwater Schooling Community Fish • Active Peaceful Swimmer • Beginner Friendly Aquarium Fish
📋 Description
The Mexican Blind Cave Tetra is a freshwater schooling characin valued for its attractive appearance and calm, easygoing schooling behaviour in a community aquarium.
A fascinating cave-adapted fish that has evolved without eyes or pigmentation, native to underground rivers and cave systems of Mexico. Despite lacking eyesight, it's highly active and social, navigating skillfully via its lateral line sensory system rather than sight.
With a proper-sized school and stable water conditions, it thrives as a Schooling Community Display Fish.
💡 Highlights
🐟 Active Schooling Species: Best kept in a group of 6 or more
🧠 Hardy & Adaptable: Suits a range of stable community tank conditions
🌿 Excellent Community Fish: Compatible with similarly sized peaceful species
✨ Distinctive Appearance: A standout addition to a planted community tank
📛 Common Name: Mexican Blind Cave Tetra
🔬 Scientific Name: Astyanax mexicanus
👨👩👧 Family: Characidae
🌍 Origin: South America / Mexico (Captive Bred)
📏 Max Size: 7–8 cm (≈ 2.75–3.2")
💧 pH Range: 6.5–8.0
🌡️ Temperature Range: 18–25°C (64–77°F)
🧠 Care Level: Beginner
💖 Temperament: Peaceful / Active
🌿 Plant Safe: ✅ Yes
🏠 Min Tank Size: 115 L (≈ 30 gallons)
📌 Tank Level: Mid Level
🧬 Stock Type: Farmed / captive-bred as standard stock
⏳ Lifespan: 3–6 years
🍽️ Diet: Omnivore
🐣 Reproduction: Egg Scatterer

















