1. Oil eels have fewer spines than common eels.
2. Oil eels eat more oil.
3, more nutritious than ordinary eels.
4, and the number is less than that of ordinary eels. Oil eel owl has golden color, high oil content, few and thin spines, delicate and plump meat, rich gum and fragrant entrance. Ordinary eels are white, dry and hard, with more thorns and less fish oil, which is not much different from bacon. Oil eel is much more delicious than ordinary eel, which is generally known by people living by the sea. Of course, the price of oil eel is much higher.