Overview
The Senegal Bichir (Polypterus senegalus) is a intermediate freshwater species known for its gray-green coloration. Primitive fish. Bottom.
Origin & Appearance
Origin: Africa.
Colors: Gray-Green.
Body Shape: Elongate (long/slender). Typical adult dimensions: 30.0 x 3.6 x 4.5.
Sexual Dimorphism: Moderate; males have thicker, wider anal fin.
Tank & Water Requirements
| Min Tank Size | 79 gallons |
| Temperature | 77–82°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | high |
| Oxygen Demand | low |
| Plant Safe | yes |
| Aquarium Position | Bottom |
Behavior & Activity
Slow bottom cruiser; uses pectoral fins like legs to walk along substrate; surfaces for air gulps; nocturnal stalking
Speed: 25/100Aggression: 4/10nocturnal
Breeding
Difficult; egg depositor; male uses anal fin to cup eggs
Common Diseases
💊 Hardy💊 polypterus worm (Macrogyrodactylus)
Expert Notes
Primitive fish; breathes air