Ethereal Danio
Danionella cerebrum
Ethereal Danio is a peaceful middle-to-top swimmer.
Save this fish or add it directly to one of your aquariums.
Need help with Ethereal Danio?
Explore compatibility, care or problems using this guide and your aquarium’s conditions.
Quick facts
- Adult size
- ≤ 0.6" (≤ 1.4 cm)
- Aquarium size
- 11 US gal (40 L) or larger
- Care level
- Beginner – Intermediate
- Temperament
- Peaceful
- Swimming zone
- Middle to top swimmer
- Temperature
- 72–86°F (22–30°C)
- pH
- 6.5–7.5
- GH
- 4–12 dGH
- Diet
- Omnivore
- Lifespan
- up to 2 years
Care requirements
Care level: Beginner – Intermediate.
Lifespan: up to 2 years.
Aquarium size and space needs
Minimum aquarium size: 11 US gal (40 L) or larger. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 22–30 °C, pH 6.5–7.5, GH 4–12 dGH.
Temperament and compatibility
Ethereal Danio is peaceful and suits calm community fish.
Swimming zone and behavior
This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.
Feeding
As an omnivore, Ethereal Danio should receive a varied diet rather than one repeated food type.
In the documented research colony, adult Danionella cerebrum were fed freshly hatched Artemia nauplii repeatedly; feed size and nutritional needs outside that colony require confirmation.
Before adding this fish
- Plan for an aquarium of 11 US gal (40 L) or larger.
- Avoid aggressive or highly competitive fish.
- Offer a varied diet suited to this species’ documented feeding habits.
Natural habitat and origin
Origin: Myanmar.
Important notes
- Trade label may conceal Danionella translucida; verify species diagnostic identity before applying care.
- A research facility keeping fish at 28°C does not validate a 22–30°C preferred aquarium range.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Ethereal Danio get?
Ethereal Danio reaches ≤ 0.6" (≤ 1.4 cm).
What aquarium size does Ethereal Danio need?
Use an aquarium of at least 11 US gal (40 L) or larger.
Is Ethereal Danio peaceful?
Yes. Ethereal Danio is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.
What temperature is suitable for Ethereal Danio?
Keep it between 22 to 30 °C.
