Aquarium Planner

A beginner-friendly fish guide

Blackwing Hatchetfish

Blackwing Hatchetfish

Carnegiella marthae

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

Beginner level 3/5

A good environment

Recommended temperature
24 ~ 27°C
Recommended pH
5.5 ~ 7.0
Preferred water hardness
Medium hardness
Minimum aquarium
54L or more

At a glance

Group
Hatchetfish
Average adult size
about 3 cm (nano)
Minimum tank length
about 60 cm
Activity level
Moderate
Waste level
Low
Lid recommended
Yes
Mature tank preferred
Not required

Temperament & group size

Gentle temperament; Shoaling fish.

For a comfortable group, keep at least 8.

Usually swims in the multiple levels.

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 Blackwing Hatchetfish get, and what tank size does it need?

Adults average about 3 cm, a nano species. The planner recommends an aquarium of at least 54 L and about 60 cm long.

What water temperature and pH does Blackwing Hatchetfish need?

The planner range is 24~27°C and pH 5.5~7.0, with medium hardness.

How many Blackwing Hatchetfish should be kept together?

Shoaling fish: keep at least 8. Temperament is gentle.

Can Blackwing Hatchetfish live with shrimp?

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

Is Blackwing Hatchetfish a good fish for beginners?

Beginner level 3/5. A lid is recommended. Activity: moderate; waste: low.