There are also males and females in fish. Besides, fish always have to feed, so you don't have to worry about that. You can go to the river to have a look. Many fishermen can fish. In addition, because the water temperature is still relatively low this season, the fish will not be too close to the shore. It is recommended to use a rock fishing rod or a sea pole, which is much better. You can learn more about fishing, I hope it will help you.