Police believe this man may help them solve a burglary in which tropical fish were killed after their aquarium was smashed.
A burglar broke into Clancy's Fish Pub in Fremantle about 2.50am on Sunday.
"During the incident the business was ransacked and the offender smashed a large fish tank, killing all the tropical fish," a police spokeswoman said.
"Investigators believe the man pictured can help them with their investigation."
Anyone who can identify the man or give further information is asked to call Crime Stoppers on 1800 333 000.