It is illegal for people to fish with otters. According to the Regulations on the Management of Fishery Resources in the Yangtze River, it is forbidden to fry and poison fish, electric fish, osprey and otter, and it is forbidden to use harmful fishing gear such as river blocking (net), dense mesh net (net, net and cage net), rolling hook, ecstasy and bottom trawl for fishing.
At the same time, according to the provisions of the Criminal Law of People's Republic of China (PRC), anyone who, in violation of the laws and regulations on the protection of aquatic resources, catches aquatic products in a closed fishing area or period or uses prohibited tools or methods, if the circumstances are serious, constitutes the crime of illegal fishing of aquatic products and is sentenced to fixed-term imprisonment of not more than three years, criminal detention, public surveillance or a fine.