Crews search for missing fisherman in Vic

A fisherman is missing at a Melbourne reservoir and a search is under way.

Ashley Gleeson, 26, was fishing with a friend at the Sugarloaf Reservoir on Sunday when, about midday, he put on his jacket and walked inland.

His friend was then unable to find him.

The SES on Monday are searching bushland around the reservoir along with the police air wing and mounted branch.

Police have released an image of Mr Gleeson.