Yellow croaker can be caught in spring, summer and autumn. After winter, the temperature becomes lower, so it is difficult to capture it. From May to August, the temperature is 20-30℃, and fishing is preferred. Before it rains, there will be less dissolved oxygen in the water and the air pressure will be lower, so it is easier to fish at this time.

Ornamental cold-water fish include koi fish, Cao Jin, Pearl-shell goldfish, Oriental European snapper, Guanbei herring, goldfish, China Betta, Baiyun Approximation, rock climbing loach and white spotted pike. Among them, China Betta, also known as Grouper, has low requirements for the environment and is raised by many rural children.

Harworms are larvae of longicorn beetles. It is a pest that mainly harms peach trees, plum trees, cherry trees and plum trees. Larvae is worm-shaped, 20-30 mm long, which can rot the trunk into a cavity, thus leading to the weakening of plant growth and even the death of plants in severe cases.