Question 1

True or false: The Mekong River is the longest river in Southeast Asia.

Accepted Answer

True. At about 4,350 km (2,703 miles), it is the longest in Southeast Asia and the 12th longest in the world.

Question 2

True or false: The Mekong River flows through six countries: China, Myanmar, Laos, Thailand, Cambodia, and Vietnam.

Accepted Answer

True. It originates in China's Tibetan Plateau and winds through Myanmar, Laos, Thailand, Cambodia, and Vietnam before emptying into the South China Sea.

Question 3

True or false: The Mekong River's flow is so powerful that it generates hydroelectricity for all six countries it passes through.

Accepted Answer

False. Myanmar and Thailand use Mekong hydropower, but China and Laos dominate dams; not all six countries rely on it for electricity.

Question 4

True or false: The Mekong River has a unique annual flood pulse that triggers the world's largest inland fishery.

Accepted Answer

True. The seasonal flood pulse creates nutrient-rich waters, supporting a fishery that produces over 2 million tons of fish yearly, the largest inland fishery globally.

Question 5

True or false: The Mekong River is home to the world's largest freshwater fish, the Mekong giant catfish.

Accepted Answer

True. Discovered in the Mekong, the Mekong giant catfish can weigh up to 660 pounds, making it the heaviest freshwater fish recorded.

Question 6

True or false: The Mekong River is the only major river in Asia that does not have a single dam on its main stem.

Accepted Answer

False. Several dams exist on the main stem, especially in China and Laos, altering the river's natural flow and ecology.

Question 7

True or false: The Mekong River changes direction and flows north for part of its journey.

Accepted Answer

False. The Mekong flows consistently southward from Tibet to the sea; no major section reverses direction naturally.

Question 8

True or false: The Mekong River is known to contain a species of 'walking' catfish that can survive on land for days.

Accepted Answer

False. While some catfish can wriggle on land briefly, no species native to the Mekong survives for days out of water; this is a myth.

Mekong River Trivia Questions