Fish is a mainstay of the diet of people living along the Mekong river
The Mekong or Mekong River is a river that is trans-boundary river in East Asia and Southeast Asia.
It is the world's twelfth longest river and the third longest in Asia.
Mainstay diet is something from the food that provides support and helps a community to exist or humans to exist.
It helps the community of people for their subsistence and also play a very important role in their livelihood.
The various fishes in the diet found in the region are Gourami, Catfish, Common carp, Walking catfish, Milkfish.
The country along the Mekong River are China, Thailand, Lao PDR, and Vietnam.
To learn more about diet here
brainly.com/question/24351545
#SPJ4
