Join Wild Chronicles along the Mekong River in Cambodia where National Geographic Emerging Explorer Zeb Hogan races against time to save the critically endangered giant catfish. Weighing in at more than 600 pounds, these behemoths may be the world's largest freshwater fish. But overfishing and dam building threaten to render this Mekong icon extinct.
level of conservation between "endangered" and "extinct in the wild."
structure built across a river or other waterway to control the flow of water.
an adventurer, scientist, innovator, or storyteller recognized by National Geographic for their visionary work while still early in their careers.
no longer existing.
to harvest aquatic life to the point where species become rare in the area.
to make, or cause to become.