Pienhiukkasina

Pienhiukkasina, also known as the small-spotted catfish, is a species of freshwater fish belonging to the family Siluridae. It is native to South America, specifically found in the Amazon River basin and its tributaries. The species is characterized by its small, round body and the distinctive pattern of small, dark spots covering its body, which gives it its common name.

Pienhiukkasina typically grows to a length of about 15-20 centimeters (6-8 inches), although some individuals may reach up to 30 centimeters (12 inches). It has a rounded head with a small mouth filled with conical teeth, which it uses for capturing prey. The fish has a pair of barbels on its chin, which it uses for sensing its surroundings in murky waters.

The diet of pienhiukkasina consists mainly of small invertebrates, such as insects and crustaceans, as well as plant material. It is a nocturnal species, spending most of the day hiding in vegetation or among rocks, and emerging at night to forage for food.

Pienhiukkasina is an important part of the Amazonian ecosystem, serving as a food source for larger predators such as birds and mammals. However, like many other species, it is threatened by habitat loss and pollution, which are major concerns in the Amazon region. Conservation efforts are underway to protect this species and its habitat.