There are stream grouper in Hwagaki. Creek grouper belongs to the order Perissodactyla, with a long oval body slightly flattened laterally. Mouth large, with auxiliary maxilla, teeth fine pointed, some expanded into canine teeth, stream grouper is also called light lip fish, mainly in mountainous areas of mountain streams and gullies and deep pools in the distribution of the distribution of life, its surface is grayish-black and born with obvious black patterns, while the two whiskers at the corners of the mouth are often overlooked.