Rockingham detectives are searching for Gregory Arnold Morton in relation to several incidents.
Police said the 31-year-old is wanted for questioning in regards to a current investigation relating to several incidents that occurred in May and June including a serious assault.
Mr Morton is considered dangerous and may behave in an unpredictable manner.
If sighted, members of the public are advised not to approach him but to call police immediately on 131 444.
Gregory Arnold Morton is described as having a fair complexion, around 166cms tall, with a slim build, short brown hair, blue eyes, facial hair in the form of a moustache and goatee.
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