What is this fruit

[Matamata]

Can anyone tell me the name of this fruit. It is growing on a tree in my cousin's garden in New Zealand. The leaf is from the tree the fruit is growing on. Please click on the link below to view the picture.

[IMG]http://i31.tinypic.com/x0qjc5.jpg[/IMG]

[tinpotLizzie]

It looks rather like a nectarine.