The New Caledonian Storm Petrel has blackish-brown upperparts, a white rump and a white belly streaked with black. Breeding has been confirmed in New Caledonia.
Its upperparts are blackish-brown. A U-shaped white area crosses the rump, the white belly and flanks are streaked with black, and the underwing has a white panel.
It flies close to the sea and takes prey from the surface. The paper also reports birds following feeding Copper Sharks.
An extinction-risk assessment has not been added yet.