Aquarium Haven

Celestial Pearl Danio

The Celestial Pearl Danio is a tiny, galaxy‑patterned nano fish that brings stunning colour and movement to planted aquariums. With its deep blue body, bright orange fins and pearl‑like spots, the Celestial Pearl Danio stays small, is peaceful, and is ideal for well‑scaped nano and community tanks. The Celestial Pearl Danio (often called Galaxy Rasbora) is one of the most striking nano fish available. With its deep blue body sprinkled in cream “stars” and vivid orange fins, this little fish looks like a moving constellation against plants and dark substrates. Staying tiny and peaceful, the Celestial Pearl Danio is perfect for heavily planted nano tanks, aquascapes and calm community setups where its colours and shy, schooling behaviour can really shine. Celestial Pearl Danio Appearance & Behaviour The Celestial Pearl Danio typically reaches around 2–2.5cm, making it ideal for smaller aquariums. Key features include: Deep blue body with cream or golden pearl‑like spots Bright orange to red fins, especially in males Subtle sexual dimorphism – males are more intensely coloured Peaceful, schooling nature when kept in a proper group Because the Celestial Pearl Danio is naturally shy, it looks and behaves best when kept in a planted tank with plenty of...

$29.95

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Click & CollectAvailable from Newmarket, Brisbane.

Celestial Pearl Danio$29.95

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Click & CollectCollect from Newmarket, Brisbane.

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Everything you need to know

The Celestial Pearl Danio is a tiny, galaxy‑patterned nano fish that brings stunning colour and movement to planted aquariums. With its deep blue body, bright orange fins and pearl‑like spots, the Celestial Pearl Danio stays small, is peaceful, and is ideal for well‑scaped nano and community tanks.

The Celestial Pearl Danio (often called Galaxy Rasbora) is one of the most striking nano fish available. With its deep blue body sprinkled in cream “stars” and vivid orange fins, this little fish looks like a moving constellation against plants and dark substrates.

Staying tiny and peaceful, the Celestial Pearl Danio is perfect for heavily planted nano tanks, aquascapes and calm community setups where its colours and shy, schooling behaviour can really shine.

Celestial Pearl Danio Appearance & Behaviour

The Celestial Pearl Danio typically reaches around 2–2.5cm, making it ideal for smaller aquariums. Key features include:

Deep blue body with cream or golden pearl‑like spots
Bright orange to red fins, especially in males
Subtle sexual dimorphism – males are more intensely coloured
Peaceful, schooling nature when kept in a proper group

Because the Celestial Pearl Danio is naturally shy, it looks and behaves best when kept in a planted tank with plenty of cover and a good‑sized group.

Tank Requirements for Celestial Pearl Danio

To keep the Celestial Pearl Danio happy and healthy:

Minimum tank size: 30L+ (larger is better for stable water and bigger groups)
Temperature: approx. 22–26°C
pH: around 6.5–7.5, stable and well‑filtered
Hardness: Soft to moderately hard water
Aquascape: Dense planting, fine‑leaved plants, mosses and hiding spots

Gentle filtration and calm tank mates help the Celestial Pearl Danio feel secure and show its best colours.

Schooling & Tank Mates

The Celestial Pearl Danio is a social species and should be kept in a group:

Aim for at least 8–10 Celestial Pearl Danios so they feel safe
Larger groups bring out more natural behaviour and better colour
Avoid large or boisterous fish that may stress or outcompete them

Good tank mates for the Celestial Pearl Danio include small rasboras, peaceful nano tetras, small Corydoras species and dwarf shrimp (with appropriate cover for shrimplets).

Feeding the Celestial Pearl Danio

The Celestial Pearl Danio has a small mouth and appreciates fine foods:

High‑quality nano pellets and crushed flakes
Frozen and live foods like baby brine shrimp, daphnia and micro‑worms
Occasional treats to enhance colour and condition

Offering a varied diet will help your Celestial Pearl Danio maintain strong colour, good health and natural activity.

Ideal for Planted & Aquascaped Tanks

With their tiny size and galaxy‑like pattern, the Celestial Pearl Danio is a favourite in aquascapes:

Looks incredible against dark substrates and lush green plants
Works beautifully in Iwagumi and nature‑style layouts
Adds movement without overwhelming delicate scapes

If you’re building a feature nano tank, a group of Celestial Pearl Danios is a fantastic centrepiece choice.

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