The Polypterus Palmas Bichir is a fascinating freshwater species from the Polypteridae family, native to the slow-moving rivers and swamps of West Africa. Renowned for its elongated body, armored scales, and multiple dorsal finlets, this species brings a prehistoric charm to large aquariums.

At 20–25 cm, these bichirs are already well-grown juveniles and can reach 30–38 cm (12–15 inches) as adults. Known for their calm temperament and bottom-dwelling habits, Palmas Bichirs are ideal for monster fish keepers and experienced aquarists seeking unique, exotic species.

✅ Key Features

• Size: 20–25 cm juvenile; adults grow 30–38 cm

• Temperament: Peaceful but predatory toward smaller fish

• Care Level: Moderate to advanced

• Lifespan: 10–15 years with proper care

• Special Trait: Ganoid armored scales and distinct dorsal finlets for a dinosaur-like appearance

Care Guide for Polypterus Palmas Bichir

✅ Tank Requirements

• Minimum Tank Size: 250 liters (65 gallons) for a single specimen

• Aquascape: Sandy substrate, driftwood, caves, and subdued lighting

• Filtration: Strong and efficient; bichirs produce significant waste

• Lighting: Dim lighting to mimic natural habitat and reduce stress

• Lid Required: Heavy and secure, as bichirs are escape artists

✅ Water Parameters

• Temperature: 24°C – 28°C (75°F – 82°F)

• pH Level: 6.2 – 7.8

• Water Hardness: Soft to moderately hard

• Maintenance: Weekly water changes of 30% for excellent water quality

✅ Feeding Habits

Polypterus Palmas are carnivorous bottom feeders with a preference for meaty foods.

• Recommended Diet:

  • Sinking carnivore pellets

  • Frozen foods (bloodworms, shrimp, fish fillets)

  • Occasional live foods (feeder fish, worms) for enrichment

Feed once daily, preferably during the evening, as they are more active at night.

✅ Tank Mates

Bichirs are generally peaceful with similar-sized or larger species but will eat smaller fish.

Compatible Tank Mates:

• Other Bichir species

• Large catfish (Pimelodids, Doradids)

• Arowanas, Oscars, and similar-sized cichlids

• Silver Dollars and Pacu

Avoid aggressive fish that target fins or very small species that can be swallowed.

✅ Behavior & Personality

• Behavior: Nocturnal and calm; spends much time at the bottom

• Activity: Slow-moving but highly alert

• Unique Feature: Uses a modified swim bladder to breathe atmospheric air, allowing survival in low oxygen conditions

Why Choose Polypterus Palmas Bichir?

• Prehistoric beauty for an exotic aquarium setup

• Hardy and long-lived species for advanced aquarists

• Calm disposition suitable for monster fish community tanks

✅ Ideal for large predator or oddball aquariums
✅ A rare, ancient fish that adds dramatic appeal to any setup