People watch as fish jump upstream during their migration to the spawning grounds in the Ganaraska River at Port Hope, Ontario, Canada, on Sept. 8, 2024. (Photo by Zou Zheng/Xinhua)

A fish swims upstream during its migration to the spawning grounds in the Ganaraska River at Port Hope, Ontario, Canada, on Sept. 8, 2024. (Photo by Zou Zheng/Xinhua)

A fish swims upstream during its migration to the spawning grounds in the Ganaraska River at Port Hope, Ontario, Canada, on Sept. 8, 2024. (Photo by Zou Zheng/Xinhua)

A fish jumps upstream during its migration to the spawning grounds in the Ganaraska River at Port Hope, Ontario, Canada, on Sept. 8, 2024. (Photo by Zou Zheng/Xinhua)

Fish jump upstream during their migration to the spawning grounds in the Ganaraska River at Port Hope, Ontario, Canada, on Sept. 8, 2024. (Photo by Zou Zheng/Xinhua)