Bichir (Polypterus spp.)
Bichirs are prehistoric, bottom-dwelling fish known for their elongated, armored bodies and ability to breathe atmospheric air. These fascinating fish add a unique, ancient look to any aquarium and are often admired for their calm, deliberate movements and curious personalities.
 
Size: 12–30 inches depending on the species
Tank Size: Minimum 75 gallons (larger for full-grown or multiple specimens)
Care Level: Moderate
Diet: Carnivore – enjoys a variety of meaty foods such as shrimp, fish, earthworms, bloodworms, and sinking carnivore pellets
Temperament: Semi-aggressive; generally peaceful with similarly sized tankmates but will eat anything small enough to fit in their mouths
Water Parameters: 74–82°F, pH 6.5–7.5