Overview
The Red-Tail Shark (Epalzeorhynchos bicolor) is a intermediate freshwater species known for its black, red tail coloration. Black with red tail. Bottom.
Origin & Appearance
Origin: Thailand.
Colors: Black, Red tail.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 12.0 x 2.2 x 3.6.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 30 gallons |
| Temperature | 72–79°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | medium |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Bottom |
Behavior & Activity
Bottom territory patroller; aggressive chasing of intruders; rapid pursuit swimming; defends large territory
Speed: 50/100Aggression: 6/10diurnal
Breeding
Moderate; egg layer
Common Diseases
💊 Ich
Expert Notes
Black with red tail; territorial