More than ten thousand fish have found new homes in the North East today as part of the Environment Agency's plan to improve the region's rivers.
Three varieties of freshwater fish have been introduced to the River Tees, the Gaunless, the Wear and the Tyne.
You can watch the full report by Jenny Longden
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His Royal Highness rounded off his visit to the region by giving a speech at Virgin Money headquarters in Newcastle.
Sunshine and showers tomorrow - but it is the calm before the storm.
Prince Harry joined Steve Cram and Jonathan Edwards in training those taking part in the London Marathon for charity Heads Together.