Aquarium Planner

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

A good environment

Recommended temperature
20 ~ 26°C
Recommended pH
6.5 ~ 8.0
Preferred water hardness
Medium hardness
Minimum aquarium
100L or more

At a glance

Group
Tetras
Average adult size
about 9 cm (medium)
Minimum tank length
about 80 cm
Activity level
High
Waste level
Moderate
Lid recommended
Not required
Mature tank preferred
Not required

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.

Add Blind Cave Tetra to my aquarium

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이 포스팅은 쿠팡 파트너스 활동의 일환으로, 이에 따른 일정액의 수수료를 제공받습니다.

Frequently asked questions

How big does Blind Cave Tetra get, and what tank size does it need?

Adults average about 9 cm, a medium species. The planner recommends an aquarium of at least 100 L and about 80 cm long.

What water temperature and pH does Blind Cave Tetra need?

The planner range is 20~26°C and pH 6.5~8.0, with medium hardness.

How many Blind Cave Tetra should be kept together?

Shoaling fish: keep at least 6. Temperament is moderate.

Can Blind Cave Tetra live with shrimp?

Adult shrimp: not recommended. Baby shrimp: not recommended.

Is Blind Cave Tetra a good fish for beginners?

Beginner level 4/5. Activity: high; waste: moderate.