What is polypterus lapradei?

Polypterus lapradei, commonly known as the Laprade's bichir, is a freshwater fish species that belongs to the family Polypteridae. It is native to the Congo River basin in Central Africa, particularly in the Democratic Republic of Congo.

The Laprade's bichir has a long, cylindrical body with a distinct armored appearance due to the presence of interlocking scales or scutes. It typically has a dark brown or black coloration with a light, paler underbelly.

This species is known to be a bottom-dwelling predator, feeding on small fish, aquatic invertebrates, and crustaceans. They have adapted to be able to breathe air outside of water by using a specialized organ called the swim bladder.

In aquariums, Laprade's bichirs require large tanks with plenty of hiding spots and minimum water conditions temperatures of 75-77°F and pH levels of 6.5 to 7.5. They can grow up to 20 inches in length and can live for up to 20 years in captivity.

Laprade's bichirs are also popular in the aquarium hobby due to their distinct appearance and behavior. They are generally peaceful but may become aggressive towards smaller fish. They also have a unique way of swimming, using their long dorsal fin to propel themselves through the water.