Northern snakehead

Northern Snakehead

The Northern Snakehead (Channa argus) is a species of snakehead fish native to China, Russia, North Korea, and South Korea. It is a freshwater fish with a high tolerance for different environments, which has allowed it to become an invasive species in several regions outside its native range.

Description

The Northern Snakehead is a long, thin fish, typically reaching lengths of 33 to 35 inches. It is distinguished by its elongated body, large mouth, and toothy jaws. The coloration varies from brown to green, with darker blotches along the body.

Habitat and Distribution

Originally native to the Yangtze River basin in China, the Northern Snakehead has been introduced to other parts of the world, including the United States, where it is considered an invasive species. It can survive in a variety of freshwater habitats, including rivers, lakes, and ponds.

Behavior and Diet

The Northern Snakehead is a voracious predator, feeding on a variety of prey including fish, crustaceans, and amphibians. It is known for its aggressive behavior and ability to survive out of water for several days.

Impact as an Invasive Species

The introduction of the Northern Snakehead to non-native environments has had significant ecological impacts. It competes with native species for food and habitat, and its predatory nature can lead to declines in native fish populations.

Control Measures

Efforts to control the spread of the Northern Snakehead include physical removal, use of pesticides, and public education about the dangers of releasing non-native species into the wild.

See Also

• Invasive species
• Snakehead (fish)
• Freshwater fish