Aquarium Planner

A beginner-friendly fish guide

Red Eye Tetra

Red Eye Tetra

Moenkhausia sanctaefilomenae

Gentle temperament; shoaling fish. Check the planner before choosing tank mates.

Beginner level 4/5

A good environment

Recommended temperature
22 ~ 27°C
Recommended pH
6.2 ~ 7.6
Preferred water hardness
Medium hardness
Minimum aquarium
75L or more

At a glance

Group
Tetras
Average adult size
about 7 cm (small)
Minimum tank length
about 60 cm
Activity level
High
Waste level
Low
Lid recommended
Not required
Mature tank preferred
Not required

Temperament & group size

Gentle 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.

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Frequently asked questions

How big does Red Eye Tetra get, and what tank size does it need?

Adults average about 7 cm, a small species. The planner recommends an aquarium of at least 75 L and about 60 cm long.

What water temperature and pH does Red Eye Tetra need?

The planner range is 22~27°C and pH 6.2~7.6, with medium hardness.

How many Red Eye Tetra should be kept together?

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

Can Red Eye Tetra live with shrimp?

Adult shrimp: use caution. Baby shrimp: not recommended.

Is Red Eye Tetra a good fish for beginners?

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