Barred Bichir
Polypterus delhezi
Barred Bichir (Polypterus delhezi) — Advanced care, Aggressive, under Other. Minimum tank in the app: 53 US gal min; aim for 75–86°F and pH 6.5–8. The Barred Bichir appeals to experienced aquarists seeking a striking predator for larger tanks.

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.
Barred Bichir Tank Setup
Aim for a spacious layout with ample hiding spots created by rocks and driftwood, allowing for retreat when necessary. A sandy substrate mimics its natural habitat, and moderate flow helps maintain water quality. Ensure good lighting to observe its behaviors without overwhelming it, as too bright conditions can induce stress.
What Do Barred Bichirs Eat?
This carnivorous fish requires a diet rich in protein, thriving on live or frozen foods. Feeding speed is moderate; however, it can be competitive if housed with similarly sized or faster feeders, necessitating careful monitoring during mealtime to ensure adequate intake and health.
Barred Bichir Tank Mates
Best suited for larger, robust fish that can withstand its predatory instincts, such as larger cichlids or catfish. Smaller fish and invertebrates are at high risk of being preyed upon. Intraspecies interactions are minimal; keeping a single specimen avoids aggression and territorial disputes.
Are Barred 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 water quality needs, leading to stress and health issues. mixing them with unsuitable tank mates can result in predation or aggression, which can disrupt the entire tank’s balance.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




