1, "laoki" is a kind of growth in the stream of a kind of creatures, type like freshwater eel, also known as "k hook (creek slip)". Its scientific name is Anguilla anguilla, commonly known as perch eel, and the river slide. It weighs 30 to 50 kilograms and is a large economic fish. Inhabiting mountain streams, streams and reservoirs in the rocky caves, the main animal food, nutritious. All rivers and waters are distributed.

2. Legend has it that it often comes out of the water in the middle of the night to go up the mountain to eat dead bodies, because it has no feet, when it goes up the mountain, it will secrete a kind of very slippery liquid along the way, so that it can slide back into the stream before dawn. And it is very fast. It is very difficult to catch, people want to catch it often have to sprinkle sand on its mucus in order to break its back.

3, because it tastes delicious, and is a tonic, eating since the sick soon after the recovery of strength, but the body is too weak people should not eat. So the price is very expensive. But now rarely seen. In the past in Fuzhou often see farmers in the mountains on the roadside hawking.

4, because it is the second half of the night out, back at dawn, so Fuzhou is often compared to frequent night travel activities for "fishing ki". That is, "fishing ki walk Oman" (Oman that is the second half of the night).