It is one of the largest freshwater fish in Japan and a member of the salmon family ... the attentions of a female. During spawning season, the body of a male ito except its head turns red.

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Spawning adult salmon darken to a bronze color after entering freshwater ... The female chooses the nesting site and digs the nest, called a redd, and then rests while the male continues to court her ...

The State environmental agency report shows 20 per cent of the male farm-reared fish were sexually mature and could breed with wild Atlantic salmon during the 2024/2025 spawning season.

pink salmon return like clockwork after two years to mate and spawn and die in the stream where they were born. This punctuality means that fish born in odd years return in the next odd year and ...

This is because of low tides and warm water, which is not ideal for salmon spawning conditions. The Fall-Run Chinook Salmon currently at the Coleman Fish Hatchery are set to be released later this ...

Salmon spawn in September, and at that time the female ... into a pail to the number of perhaps 20,000 each, and a single male fish then suffices for the impregnation of a pailful of spawn ...

The water temperature in the Sashiruigawa river is 9 degrees. Mature male salmon develop hooked snouts during the spawning season. After fulfilling their mission, the fish perish, marking the end ...