Legal analysis: illegal. Confiscate the catch and illegal income, impose a fine of up to 50,000 yuan, in serious cases, confiscate the fishing gear, revoke the fishing license, in particularly serious cases, the fishing vessel can be confiscated, constitutes a crime, shall be investigated for criminal responsibility.

Legal basis: "The Fisheries Law of the People's Republic of China*** and the State of China" Article 30 It is prohibited to use the methods of destroying the fishery resources such as deep-frying, poisonous fish and electric fish for fishing. It is prohibited to manufacture, sell or use prohibited fishing gear. It is prohibited to fish in prohibited fishing areas or during prohibited fishing periods. It is prohibited to fish with gear smaller than the minimum mesh size. The proportion of juvenile fish in the catch shall not exceed a specified percentage. The sale of illegally caught fish is prohibited in closed areas or during closed periods.

The varieties of fishery resources under key protection and the standards for their catchability, the closed areas and the closed period, the fishing gears and fishing methods whose use is prohibited or restricted, the minimum mesh size, and other measures for the protection of fishery resources shall be prescribed by the competent department of the State Council's administrative department of fisheries, or the competent department of the people's government of the province, autonomous region, or province-level municipality directly under the Central Government's administrative department of fisheries.