Polypterus endlicheri, commonly known as the Saddled Bichir, is a fascinating species of bichir, a group of ancient, elongated fish found in Africa. Here's some information about Polypterus endlicheri:

1. Distribution:

   • Saddled Bichirs are native to various river systems in Africa, including the Niger River and the Nile River.

2. Appearance:

   • Polypterus endlicheri has an elongated body with a series of bony plates along its sides, giving it an armored appearance.
   • They have distinctive saddle-like markings along their back, which contribute to their common name.
   • The coloration can vary, but they often have a base color of brown or gray.

3. Size:

   • These bichirs can grow quite large. Adult Polypterus endlicheri can reach lengths of over two feet, with some individuals even exceeding 2.5 feet.

4. Habitat:

   • Saddled Bichirs inhabit slow-moving or stagnant waters, including rivers, lakes, and swamps.
   • They are often found in areas with dense vegetation and submerged structures.

5. Behavior:

   • Polypterus endlicheri are nocturnal, meaning they are more active during the night.
   • They have the ability to breathe air using a modified swim bladder, allowing them to survive in oxygen-poor water.

6. Diet:

   • Saddled Bichirs are carnivorous and primarily feed on smaller fish, insects, and invertebrates.
   • In captivity, they can be fed a diet of live or frozen foods, such as fish, worms, and other meaty offerings.

7. Tank Requirements:

   • Due to their potential size, Saddled Bichirs require a large aquarium with plenty of swimming space.
   • Provide hiding spots in the form of caves, driftwood, or other structures.
   • The water temperature should be maintained between 75 to 82°F (24 to 28°C), and the pH should be neutral to slightly acidic.

8. Compatibility:

   • While Saddled Bichirs are generally peaceful, they may show aggression towards smaller tank mates that can fit into their mouths.
   • It's advisable to keep them with larger, non-aggressive fish that can tolerate their presence.

9. Breeding:

   • Breeding Polypterus endlicheri in captivity is challenging and not as well-documented as some other fish species.
   • In their natural habitat, they are known to construct floating bubble nests for their eggs.

10. Note:

    • Keep in mind that these fish are known for their ability to jump, so it's essential to have a secure and well-covered aquarium to prevent them from escaping.

When keeping any species of bichir, it's crucial to provide proper tank conditions and diet to ensure their well-being.