Senegal Bichir
The Senegal Bichir (Polypterus senegalus) is a fascinating and prehistoric-looking fish known for its eel-like body, armored scales, and unique lobed pectoral fins. These ancient fish are often called "dinosaur eels" due to their primitive appearance and have remained relatively unchanged for millions of years. Peaceful, hardy, and nocturnal, Senegal Bichirs make intriguing additions to larger community tanks with appropriate tankmates. Their unusual appearance and interesting behavior make them a favorite among aquarists who appreciate unique and ancient fish species.
Care Sheet – Senegal Bichir (Polypterus senegalus)
Temperament
Generally peaceful but will eat small fish
Nocturnal and most active during evening hours
Adult Size
12–14 inches
Minimum Tank Size
40 gallons for a single adult
Water Parameters
Temperature: 77–82°F
pH: 6.5–7.5
Hardness: Soft to moderately hard (5–15 dGH)
Ammonia/Nitrite: 0 ppm
Nitrate: <20–30 ppm
Diet
Carnivorous
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Feed a varied diet:
High-quality sinking pellets or carnivore sticks
Frozen or live foods: bloodworms, shrimp, fish fillets
Earthworms and other meaty foods
Feed in evening when most active
Behavior & Compatibility
Best with larger, peaceful fish that won't be eaten
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Compatible with:
Other similarly-sized bichirs
Large tetras, peaceful cichlids, catfish
Other fish too large to be considered food
Avoid small fish that may be eaten
Aquarium Setup
Provide plenty of hiding spots with caves and driftwood
Secure lid essential - they are excellent escape artists
Soft substrate to prevent injury to their delicate underbelly
Efficient filtration for clean water
Care Level
Easy to moderate
Good for intermediate aquarists
Lifespan
15–20 years with proper care
Special Notes
Ancient, prehistoric appearance with armored scales
Can breathe atmospheric air using modified swim bladder
Nocturnal and often hides during daylight hours
Fascinating addition for aquarists who appreciate unique species
