Fireheads are also known as filial fish, snakeheads, wulffs, snakeskin fish, blackfish, and many other names. The female protects the young fish when they are long. The young fish actively burrow into the female's mouth for her to eat, so it is called filial fish.

Firehead Fish Origin: The blackfish is produced in freshwater rivers, lakes, ditches, ponds and marshes all over China except for the western region where it is rare.

Firehead fish morphology: the blackfish body round and long, mouth large teeth, sex ferocious, a dark body shaped like the pattern of the snake skin, the body has a black and white pattern, a pair of prominent, glowing small eyes, due to the different water colors around the world, so that the blackfish body color is slightly different.