The dorsal and anal fins of mandarin fish have sharp spines and are covered with venom gland tissue. People who are stabbed will have symptoms such as swelling, pain, fever, and chills. Solution: Squeeze out the blood and rub it with iodophor to avoid infection. If it still doesn't work, it is recommended to seek treatment in the hospital.

The scientific name of Aohua fish is mandarin fish, also known as mandarin fish and perch. Mandarin fish is as famous as the Yellow River carp, Songjiang four-gill bass, and Xingkai Lake white fish. They are also known as China's "four famous freshwater fishes." Its meat has many thorns and few thorns. It is white and tender, garlic-shaped, solid and delicious. It is a top-quality edible fish among freshwater fish.