The Bristlenose Pleco, also known as the Bushy Nose Pleco or Ancistrus sp., is a popular freshwater fish in the aquarium hobby. It is native to South America and can be found in various rivers and streams throughout the continent.
 
The Bristlenose Pleco is named for the numerous fleshy tentacles that cover its nose and face, giving it a bushy appearance. These tentacles are used to help the fish locate food and navigate its environment. They are typically brown or black in color and can grow up to 4-5 inches in length.
 
In terms of care, the Bristlenose Pleco is relatively easy to keep and is a good choice for beginner to intermediate aquarists. They require a well-aerated and filtered aquarium with plenty of hiding places and a variety of driftwood and rocks to graze on. They are omnivores and will eat a variety of foods, including commercial pellets, algae wafers, and fresh vegetables such as zucchini or cucumber.
 
Bristlenose Plecos are generally peaceful towards other fish and are a good addition to community aquariums. However, they may become territorial towards other plecos or similarly shaped fish. They should not be kept with aggressive or territorial fish, as this can lead to aggression and stress.