Head to head
Pearl Danio vs Celestial Pearl Danio
The pearl danio and celestial pearl danio share part of a name and a general resemblance to a pearl's shimmer, but they otherwise have very different histories in the aquarium hobby.
| Pearl Danio | Celestial Pearl Danio | |
|---|---|---|
| Scientific name | Danio albolineatus | Danio margaritatus |
| History in the aquarium hobby | One of the earliest danios kept | Discovered by science only in 2006 |
| Signature colouring | Iridescent pinkish-purple sheen | Navy-blue body with golden star-like spots |
| Adult size | Larger than celestial pearl danio | About 2 to 2.5 cm |
| Common name confusion | None significant | Sometimes mislabelled "galaxy rasbora" |
| Ideal tank size | Standard community aquarium | Small nano aquariums |
| Conservation status | Least Concern | Least Concern |
| Habitat | Wetlands | Wetlands |
Pearl Danio vs Celestial Pearl Danio: common questions
Are the pearl danio and celestial pearl danio closely related?
Both belong to the genus Danio and share part of a common name inspired by a pearl-like shimmer, but the pearl danio has been a well-established aquarium fish for far longer, while the celestial pearl danio was entirely unknown to science until its formal discovery in 2006.
Why is the celestial pearl danio sometimes called a galaxy rasbora?
This species is sometimes sold under the common name "galaxy rasbora" despite being a true danio rather than a rasbora, a naming mix-up that arose early in the aquarium trade, unlike the pearl danio, which has no such common naming confusion attached to it.
Which is smaller, the pearl danio or the celestial pearl danio?
The celestial pearl danio is considerably smaller, rarely exceeding about 2 to 2.5 centimetres in length as a fully grown adult, making it well suited to small nano aquariums, while the pearl danio grows to a somewhat larger adult size.