Legal analysis: It is illegal if the reservoir is not open, or if you don't pay the money or get the boss's permission.

Legal basis: Article 340th of the Criminal Law of the People's Republic of China violates the laws and regulations on the protection of aquatic resources, and catches aquatic products in prohibited fishing areas or seasons, or uses prohibited tools and methods. If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of more than three years.