The body recovered from the River Nene in Wisbech on March 3 was that of missing man Stephen Fox.
The inquest into his death was opened and adjourned by coroner William Morris this week. The cause of death was unascertained pending further tests.
Mr Fox left his home in Clarkson Avenue, Wisbech at 6.20am on January 31 and was not seen again. His body was discovered in the river on Monday, March 3.
The inquest into his death will continue at a later date.