West African Bichir

Polypterus senegalus

West African Bichir (Polypterus senegalus) — Advanced care, Aggressive, under Other. Minimum tank in the app: 53 US gal min; aim for 77–82°F and pH 6.5–8. The West African Bichir is an intriguing predator that appeals to experienced aquarists seeking to observe unique hunting behaviours.

West African Bichir (Polypterus senegalus) in a planted freshwater aquarium
Care levelAdvanced
TemperamentAggressive
Min tank size53 US gal min
pH range6.5–8
Temperature77–82°F
Max size13.8 in (35.0 cm)
Captive lifespan15–25 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Various

  • Africa

Regional colours match the stocking calculator’s origin map.

West African Bichir Tank Setup

To create an optimal habitat, provide a spacious tank with plenty of hiding spots using rocks, driftwood, and dense plant arrangements. Maintain a subdued lighting scheme to mimic its natural habitat, and ensure a gentle flow to prevent stress, as bichirs are not strong swimmers. A sandy substrate can facilitate digging behaviours and reduce injury risk.

What Do West African Bichirs Eat?

Bichirs are opportunistic carnivores that thrive on a varied diet of high-quality pellets, live, or frozen foods. They exhibit a slower feeding speed compared to more active tank mates, which can lead to competition for food; ensure they are well-fed to maintain health and vibrancy in colouration.

West African Bichir Tank Mates

Ideal companions include larger, robust fish that can hold their own, such as cichlids or larger catfish, while smaller species or timid tank mates are likely to become prey. Intraspecies interactions can be aggressive, so it's wise to keep only one unless the tank is exceptionally large to minimize territorial disputes.

Are West African Bichirs Good for Beginners?

This sits in the advanced range in the app. Strong filtration, stable chemistry, and reading up before purchase matter more than a catchy shop name. Aquarists often underestimate the required tank size and filtration needs, leading to poor water quality and stress. Failure to provide adequate hiding spots can also result in visible distress, as bichirs are sensitive to environmental changes and can become skittish in open spaces.

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