A pinkish salmon has been held in Welsh waters for a initial time in 30 years, Natural Resources Wales (NRW) said.
The fish was held on a River Dee nearby a limit with England in Chester.
NRW is seeking netsmen and anglers to news any surprising catches.
Despite this being a Welsh first, countless reports of prisoner pinkish salmon were done around a UK in 2017 with a infancy being held in Scotland.
David Mee, dilettante fisheries confidant for NRW, said: “It is utterly surprising to find pinkish salmon in a waters, this might be a initial in some 30 years, yet there were countless reports around a UK and Ireland in 2017.
“I’d titillate netsmen and anglers to hit us if they see any non-native salmon in a waters, with a date, plcae and, if probable a photograph, that would unequivocally assistance us brand them and build adult a design of where they might be.”
Pink salmon, also famous as humpback salmon, issue from a northern Pacific Ocean.
It is believed a fish done their approach to northern Europe after being introduced commercially to Russian waters.
The coming of a class is of regard as it might impact on Wales’ inland salmon and sea fish populations in a future.