The bottom hook ~ ~ ~ lives in the middle and upper layers of water, and it is lively and jumps out of the water when it is startled. Feeding on phytoplankton. The accessibility of the third age is mature. Parent fish is more common from late April to June. When the water temperature reaches 18℃ or above, the river rises or the flow speed increases, and they breed in the river section with rapids. Young fish actively swim into river bends or lakes in search of food. After spawning, parent fish often bring enough bait into the lake to feed and fatten. In winter, the lake drops, and mature individuals returns to the mainstream deep river bed for winter; There is no mature individuals, most of them are in the attached water bodies such as lakes (wintering in deep water)! ! ! Winter is inactive!