1, Tibetans have the custom of water burial, which is to put the dead on the water with a raft and let them drift. Fish are scavengers. Tibetans think that the meat of their ancestors is eaten by fish, and eating fish is equivalent to eating the meat of their ancestors, so they don't eat fish.

2. Tibetans believe in Buddhism and can't bear to kill. A fish is not enough for one person to eat, and a cow can eat for many days. Kill less but not more. Eat cows instead of fish.

Extended data:

Tibetans have many taboos in eating meat. Generally only eat beef and mutton, not horses, donkeys, mules, especially dog meat. Fish, shrimp, snakes, eels and other aquatic and seafood foods are generally not eaten by people in agricultural and pastoral areas except some urban residents.

Tibetans are nomadic people, and dogs are one of the earliest domesticated animals in Tibet. Dogs have a keen sense of smell and are extremely brave. In the primitive Tibetan society where productivity is extremely underdeveloped, dogs are their right-hand man in production and life.

Dogs can not only provide them with the necessary food source, but also guard their owners day and night to protect the safety of livestock and owners. Therefore, dogs are a member of the early Tibetans who mainly hunted and nomadic economy. Because of this, Tibetan people have the custom of worshipping dogs.

Mules, donkeys and horses are also of great help to nomadic people. Tibetans think eating them is a big sin, so they don't eat horses, donkeys, mules or dog meat.

Phoenix. -You know what? Most Tibetans don't actually eat fish.