Scientific Name: Danio margaritatus
Common Name: Galaxy Rasbora, Celestial Pearl Danio, CPD
Family: Danionidae
Origin: Myanmar / Salween Basin
Adult Size: Approximately 2–2.5 cm
Temperament: Peaceful, but naturally shy
Diet: Omnivore
Lifespan: Approximately 3–5 years
Description
The Galaxy Rasbora, also known as the Celestial Pearl Danio (Danio margaritatus), is a spectacular nano fish renowned for its deep blue body, pearly white “galaxy” spots and vivid orange-red coloration.
Despite their tiny size, these little fish bring an incredible amount of character to a planted aquarium. Males in particular can develop intense coloration and display beautifully to one another, while females tend to have a more rounded body and softer coloration.
Galaxy Rasboras are peaceful and naturally somewhat shy, making them best suited to mature, planted aquariums with plenty of cover. Dense plants, mosses, driftwood and floating vegetation provide security and allow them to display their natural behaviour.
They are a social species and should be kept in a group. We recommend 8–10 or more, with larger groups helping them become more confident and active.Scientific Name: Danio margaritatus
Common Name: Galaxy Rasbora, Celestial Pearl Danio, CPD
Family: Danionidae
Origin: Myanmar / Salween Basin
Adult Size: Approximately 2–2.5 cm
Temperament: Peaceful, but naturally shy
Diet: Omnivore
Lifespan: Approximately 3–5 years
Description: The Galaxy Rasbora, also known as the Celestial Pearl Danio (Danio margaritatus), is a spectacular nano fish renowned for its deep blue body, pearly white “galaxy” spots and vivid orange-red coloration.Despite their tiny size, these little fish bring an incredible amount of character to a planted aquarium. Males in particular can develop intense coloration and display beautifully to one another, while females tend to have a more rounded body and softer coloration.Galaxy Rasboras are peaceful and naturally somewhat shy, making them best suited to mature, planted aquariums with plenty of cover. Dense plants, mosses, driftwood and floating vegetation provide security and allow them to display their natural behaviour.
They are a social species and should be kept in a group. We recommend 8–10 or more, with larger groups helping them become more confident and active.
NatHab Care Guide
Temperature: 20–26°C
pH: 6.5–7.5
Water Hardness: Soft to moderately hard
Minimum Aquarium: Approximately 40L
Adult Size: 2–2.5 cm
Recommended Group: 8–10+
Tank Level: Midwater
Breeding: Egg scatterer
Temperament: Peaceful
Feeding: Galaxy Rasboras have small mouths and do best with appropriately sized foods.Offer a varied diet of quality micro pellets, finely crushed flakes, baby brine shrimp, Daphnia and other small live or frozen foods.Regular feeding of small portions will help maintain their condition and vibrant coloration.
Ideal Tankmates
Their peaceful nature makes them excellent inhabitants of a carefully selected nano community aquarium.Suitable companions include small peaceful tetras, rasboras, Otocinclus, small Corydoras and other similarly sized community fish.Avoid large, aggressive or highly active species that may intimidate or outcompete these delicate nano fish.
Why We Love Them
The Galaxy Rasbora is one of those fish that rewards patience. Once settled into a mature planted aquarium and kept in a proper group, their intricate markings and fiery fins make them a true standout.
NatHab Tip: Darker substrates, dense planting and subdued lighting can help these fish feel secure while making their contrasting pearl-like spots and warm fin colours really pop.
Livestock is supplied subject to availability and size. Fish may vary slightly in size and coloration depending on age, sex and condition.
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