Kent

River Medway fish marked with blue dye

Dyed fish in River Medway Image copyright BBC news grab
Image caption The tattooed fish will help the Environment Agency learn more about them

Four hundred fish in Kent have been tattooed with a blue dye in a scheme to monitor their movements.

The barbel and chub have been released into the River Medway at Barming, near Maidstone.

When caught they will provide data - including their weight and size - to the Environment Agency about stocks and any environmental impacts on them.

Anglers using the river are being asked to phone in with information about the fish once they have been caught.

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