Who is eel? ? ? ? Any of various large fishes of the family Cetaceae, found in North America or Central America. It is closely related to bowfin fish and holographic fish. Mainly inhabit fresh water, but some species can enter brackish water or even salt water. With sharp teeth, it is a large fierce fish that eats meat. Eel meat is edible, but fish eggs are poisonous. In Shanghai, Chongqing, Shaoguan and other places in China, Monopterus albus, as an alien invasive species, poses a great threat to other local fish and may destroy the local ecosystem.

Latin: Lepidoptera is an alien invasive species, native to North America. Its eggs are highly toxic and inedible. Adult Monopterus albus is a large carnivorous and fierce fish, which will attack all other fish it meets. Like the man-eating pomfret, it is a notorious "killer in the water" and one of the top ten most ferocious freshwater fish in the world.