
Galaxy rasbora
Danio margaritatus
It stays loose near cover while the males display at each other nonstop.
The Galaxy rasbora (Danio margaritatus) is a tropical freshwater fish of the family Danionidae. It is found between 0 and 1 m deep. Adults grow to about 2.5 cm. In the aquarium it needs a tank at least 50 cm long and water at 20–26 °C.
- Size
- 2.5 cm
- Smallest tank
- 50 cm
- Temperature
- 20–26 °C
- Care
- Moderate
In the aquarium
Temperature20–26 °C
pH6.0–7.5
Hardness2–12 °dGH
- Temperament
- Peaceful
- Diet
- Omnivore
- Activity
- Moderate
- Water layer
- Mid water
- Group
- Happiest in a group of 10 or more
- Plants
- Plant safe
These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.
Which tank it fits
- Nano60 cm · 65 litres54 of them
- Standard90 cm · 180 litres150 of them
- Wide120 cm · 300 litres250 of them
- Living room180 cm · 650 litres541 of them
- Showcase250 cm · 1,200 litres1,000 of them
- Gallery300 cm · 1,440 litres1,200 of them
Who it lives with
Gets along66 species
- Ember tetra
- Lambchop rasbora
- Green kubotai rasbora
- Endler's livebearer
- Neon tetra
- Glowlight danio
- Black neon tetra
- Serpae tetra
- Glowlight tetra
- Guppy
- Lemon tetra
- Penguin tetra
- Harlequin rasbora
- Odessa barb
- Emperor tetra
- Zebra danio
- Cherry barb
- Platy
- Dwarf chain loach
- Black skirt tetra
- Diamond tetra
- Silver hatchetfish
- Pearl danio
- Tiger barb
Caution23 species
Narrow shared temperature range
- Green neon tetra
- Chili rasbora
- White cloud mountain minnow
- Cardinal tetra
- Boesemani rainbowfish
- Freshwater angelfish
- Fancy goldfish
- Rummynose tetra
- Threadfin rainbowfish
- Sterbai corydoras
- Checkerboard cichlid
- Cockatoo cichlid
- Kuhli loach
- Kribensis
- Pearl gourami
- African butterflyfish
- Red rainbowfish
- Moonlight gourami
- Severum
- Clown loach
- Frontosa
- Oscar
- Black ghost knifefish
Not together10 species
Aggressive with peaceful
Water temperatures do not overlap
In the wild
- Water type
- Freshwater
- Climate zone
- Tropical
- Aquarium trade
- Traded commercially
Depth
surface
0 m1 m
Classification
- OrderCypriniformes
- FamilyDanionidae
- GenusDanio
- SpeciesDanio margaritatus
- Described byRoberts, 2007
Quick answers
- Galaxy rasbora size: how big does it get?
- Adults reach about 2.5 cm. The smallest of the 5 Danio species on LumaReef (Moustached Danio is the largest, 15 cm).
- Galaxy rasbora tank size: what is the minimum?
- A tank at least 50 cm long. In LumaReef that is the Nano tank or larger.
- Galaxy rasbora water parameters: what does it need?
- Temperature 20–26 °C, pH 6.0–7.5, hardness 2–12 °dGH. Close to what most Danio on LumaReef need (19–26 °C).
- Galaxy rasbora tank mates: what can it live with?
- It gets along with 66 of the 99 freshwater species in the catalogue, such as Ember tetra, Lambchop rasbora, and Green kubotai rasbora.
- Galaxy rasbora: alone or in a group?
- Keep at least 10 together.
- Galaxy rasbora and plants: is it plant safe?
- Yes, it leaves plants alone.
- Galaxy rasbora depth: how deep does it live?
- In the wild, 0 to 1 m down.
Similar species
Sources
Galaxy rasbora: compiled from these references.









