Aquarium Planner

A beginner-friendly fish guide

Bronze Cory

Bronze Cory

Osteogaster aenea

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

Beginner level 5/5

A good environment

Recommended temperature
22 ~ 26°C
Recommended pH
6.4 ~ 7.6
Preferred water hardness
Medium hardness
Minimum aquarium
72L or more

Reference sources list a wider range of 21~27°C and pH 6.0~8.0. The planner uses the narrower range above as a safer starting point for beginners.

At a glance

Group
Corydoras
Average adult size
about 7.5 cm (small)
Minimum tank length
about 80 cm
Activity level
Moderate
Waste level
Moderate
Lid recommended
Not required
Mature tank preferred
Not required
Also sold as
Albino Cory

Temperament & group size

Gentle temperament; Shoaling fish.

For a comfortable group, keep at least 6.

Usually swims in the bottom.

Tank-mate notes

Adult shrimp may do well with hiding places, though individual fish vary.

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 Bronze Cory get, and what tank size does it need?

Adults average about 7.5 cm, a small species. The planner recommends an aquarium of at least 72 L and about 80 cm long.

What water temperature and pH does Bronze Cory need?

The planner range is 22~26°C and pH 6.4~7.6, with medium hardness. Reference sources list a wider range of 21~27°C and pH 6.0~8.0. The planner uses the narrower range above as a safer starting point for beginners.

How many Bronze Cory should be kept together?

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

Can Bronze Cory live with shrimp?

Adult shrimp: usually fine. Baby shrimp: not recommended.

Is Bronze Cory a good fish for beginners?

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