Overview
The Checker Barb (Oliotius oligolepis) is a beginner freshwater species known for its silver, black checkerboard coloration. Checkerboard scale pattern. Mid.
Origin & Appearance
Origin: Sumatra.
Colors: Silver, Black checkerboard.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 5.0 x 0.9 x 1.5.
Sexual Dimorphism: Moderate; males have darker fin edges.
Tank & Water Requirements
| Min Tank Size | 11 gallons |
| Temperature | 68–77°F |
| pH Range | 6–7 |
| Water Hardness (GH) | 2-10 |
| Bioload | low |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Gentle mid-level swimmer; calm schooling; less aggressive than tiger barbs; steady cruising
Speed: 48/100Aggression: 2/10diurnalSchooling (6+)
Breeding
Moderate; egg scatterer
Common Diseases
💊 Ich
Expert Notes
Checkerboard scale pattern