This dark shearwater flies close to the sea, dives for prey and breeds on islands in the tropical and subtropical Pacific.
It has dark plumage, including dark underwings, a slightly wedge-shaped tail, a long thin black bill and dark feet.
It flies close to the sea with stiff wing beats and little soaring. It feeds mainly on squid, with some fish, catching prey by pursuit diving and plunging.
An extinction-risk assessment has not been added yet.