A man who was found dead in a Southland river next to his jet boat has been named.
He was 54-year-old Patrick Michael Trebes from western Southland.
A search was mounted after his jet boat was reported missing on the Waiau River in Western Southland on August 29.
Sergeant Dave Kennelly of Invercargill police said an investigation had begun and the matter had been referred to the coroner.
