LARGE WC Weeksi Polypterus (9-10”)

Scientific Name: Polypterus weeksii Maximum Size and Lifespan:Polypterus weeksii, commonly known as the Weeks Bichir or Mottled Bichir, can reach a maximum length of around 20–22 inches (50–55 cm) in captivity, though wild specimens may grow slightly larger. With proper care, these fish can live 15–20 years or more, making them a long-term commitment for experienced aquarists. Recommended Aquarium Size, Water Change, and Care:A minimum tank size of 180 gallons (680 liters) is recommended for an adult Weeks Bichir due to its large size and active, bottom-oriented behavior. Juveniles can be kept in smaller quarters temporarily but will need upgrades as they grow. The tank should have a tight-fitting lid as this species is an excellent escape artist capable of breathing air. Maintain stable water parameters with temperatures between 76–82°F (24–28°C), pH 6.2–7.6, and moderate hardness. Provide efficient filtration with moderate flow, and perform 25–35% water changes weekly to e