Leiopotherapon plumbeus

Leiopotherapon plumbeus, commonly known as the Silver perch or Silver therapon, is a species of freshwater fish endemic to the Philippines. This species belongs to the family Terapontidae, which comprises various species of tropical fish known for their importance in both commercial and recreational fishing. The Silver perch is notable for its adaptability to a range of freshwater habitats and its significance in local fisheries and aquaculture.

Description

Leiopotherapon plumbeus is characterized by its silver-grey body, streamlined shape, and small size, typically reaching a length of up to 15 cm. It has a single dorsal fin, with spines that provide defense against predators. The fish's body is covered in small, tightly-packed scales that give it a smooth texture and a reflective appearance, contributing to its common name.

Habitat and Distribution

The Silver perch is found exclusively in the freshwater systems of the Philippines, including lakes, rivers, and reservoirs. It prefers habitats with clear, slow-moving water and abundant vegetation, which provides both food and protection from predators. The species has shown remarkable adaptability to environmental changes, which has allowed it to thrive in a variety of freshwater ecosystems.

Ecology and Behavior

Leiopotherapon plumbeus plays a significant role in its ecosystem as both a predator and prey. Juvenile fish feed primarily on plankton and small invertebrates, while adults have a more varied diet that includes insects, crustaceans, and smaller fish. This species is known for its schooling behavior, which is believed to be a strategy for protection against predators and for more efficient foraging.

Importance to Humans

The Silver perch is of considerable importance to local communities in the Philippines. It is a popular target for both commercial and recreational fishing due to its palatable flesh and the challenge it presents to anglers. Additionally, Leiopotherapon plumbeus is increasingly being cultivated in aquaculture due to its fast growth rate, adaptability to different farming conditions, and high market value. Its cultivation not only provides a sustainable source of protein but also contributes to the livelihoods of local fish farmers.

Conservation Status

While Leiopotherapon plumbeus is not currently listed as endangered or threatened, its populations are subject to pressures from overfishing, habitat loss, and pollution. Efforts to conserve this species include the implementation of sustainable fishing practices, habitat restoration projects, and research into its biology and ecology to inform conservation strategies.

See Also

• Freshwater fish of the Philippines
• Aquaculture in the Philippines
• Sustainable fishing