Overview
The Scissortail Rasbora (Rasbora trilineata) is a beginner freshwater species known for its silver, black/white tail coloration. Active schooling fish. Mid to Top.
Origin & Appearance
Origin: Southeast Asia.
Colors: Silver, Black/White tail.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 15.0 x 2.7 x 4.5.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 30 gallons |
| Temperature | 70–77°F |
| pH Range | 6–7.5 |
| Water Hardness (GH) | 3-12 |
| Bioload | medium |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid to Top |
Behavior & Activity
Fast active mid-to-upper swimmer; distinctive tail-scissoring motion while cruising; needs long open swimming space
Speed: 55/100Aggression: 1/10diurnalSchooling (6+)
Breeding
Moderate; egg scatterer
Common Diseases
💊 Hardy
Expert Notes
Active schooling fish