Freshwater
Three-lined rasbora
Rasbora trilineata
Danionidae, Rasborinae
Facts
Characteristics
- Length
- Up to 13 cm
- Body shape
- Elongated
Care
- Group
- At least 6 together
- Smallest aquarium
- 163 liters
- Diet
- Missing
Know what is missing? Suggest it in the app.
Behavior
Water values
Smallest tank
Range
NativeIntroduced
Lives wild in Cambodia, Indonesia, Laos, Malaysia, and Thailand.
Introduced to Colombia and Singapore.
Videos
Snorkelling a Suspiciously Clear Rice Field | Exploring Eastern Thailand EP2
Rodrigo SilvaJul 24, 2026
Deep Blue Springs & Critically Endangered Bettas | Exploring Southern Thailand EP1
Rodrigo SilvaDec 18, 2025
Cryptocoryne cordata var. zonata and Rasbora trilineata -DIscoveryPlanet-
DiscoveryPlanetDec 4, 2014
More about the species
Description
Found in lakes, swamps, slow flowing areas of rivers, usually in open areas. Seems to prefer habitats in forest. A common resident of surface waters in streams, canals, ditches and occasionally of reservoirs in lowland areas. Inhabits medium to large rivers, flooded fields and brooks of the middle Mekong. Feeds mostly on exogenous insects, also takes worms and crustaceans. Not seen in markets, but popular in aquarium trade.
Other names
Other scientific names
- Rasbora stigmatura
In other languages
- Saksefisk
- Saxfisk
- Sakshalerasbora, Saksehale
- Saksipyrstö, Saksipystö
- Black scissortail, Scissor-tail, Scissor-Tailed rasbora, Scissorfish, Scissortail, Scissortail rasbora, Threeline rasbora
Articles
All articles
How many fish can I keep?4 min read
Why "one cm of fish per liter" falls short, and what adult size, schools, territory and swimming zones mean for how many fish a tank can hold.
Velvet and dropsy4 min read
Velvet is a fast-moving parasite. Dropsy is a sign that something is seriously wrong inside the fish. How to recognize them, and what you can do.
How to set up an Asian aquarium5 min read
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
How to add new fish4 min read
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.