An identical twin, who is only distinguished from his brother by his missing front teeth, is wanted by police in relation to a family violence incident in Wellington.
Dennis Arthur Te Pania, 40, was known to be carrying weapons and so should not be approached, police said.
The incident took place at a Newtown home last week.
A female needed surgery for injuries she suffered in the attack, police said.
Te Pania was described as Maori, about 165cm tall and of thin build.
"Members of the public should be aware the Te Pania is an identical twin and that the distinguishing feature between the pair is that Dennis does not have his front teeth."
He was believed to be actively avoiding police with the help of gang associates, police said.
Anyone with any information was asked to contact Wellington police on (04) 381 2000.
Anonymous information could also be provided to Crimestoppers on 0800 555 111.