British Salmon are currently facing an upstream struggle against the River Tyne as they return to their breeding grounds.
These leaping Atlantic Salmon were pictured running the falls on the River Tyne at Hexham, Northumberland, this week.
The athletic fish, who are returning from the ocean to spawn on gravel beds in the upper reaches of the river, were photographed by Ian Cook, 57.
Mr Cook, of Newcastle, said: “It is a magnificent sight seeing these fish leaping the falls, they have swam thousands of miles to get here. They are very strong and determined to make it upstream to their spawning grounds.”
Salmon spend their early lives in rivers. They then swim out to the sea where they grow to around 30 inches long.
When they mature the salmon return to the rivers by swimming against the flow of the water – they often return to the exact ground where they were born.
After spawning most Atlantic salmon die and the life cycle begins again.
Mr Cook said: “I am very pleased with the images. I took many but only a few were suitable. It is very difficult to photograph them as it is difficult to predict where they are going to leap.”
The annual salmon run is a major event for fisherman in the UK. In the USA it also attracts bears and bald eagles who try and snatch the leaping fish from the river.
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