Scientific name: Cephalorhynchus hectori/māui
Family: Delphinidae
Range: New Zealand waters
Habitat: Shallow coastal and estuarine waters
Status: Endangered
Population: Fewer than 5,000
Diet: Small fish, squid, and bottom-living invertebrates
Length: 1.2 – 1.5 m; females slightly larger than males
Weight: 35 – 60 kg



This is the tail of the animal. These dolphins have concave trailing edges and a slight notch in the middle. Dark above and below.

Dorsal Fin

The dorsal fin is a fin located on the back of most marine and freshwater vertebrates. They have a very distinctive dark, rounded dorsal fin in the middle of the back.


The front limbs on a dolphin are called flippers. Their flippers are black or dark gray and have rounded tips.

Head Shape

Blunt head with a black, non-protruding beak. The threat is white and the forehead is gray. A dark band extends from the mouth and eye region to the flipper.


The upper body is mainly light gray. The underside is white with a dark boarder. A white region extends into the lower flank and points toward the tail.

Group Size

Usually in groups of 2-8, with up to 50 on occasion.


May bow-ride or wake-ride slow-moving vessels. Sometimes playful and acrobatic. May leap high, breach, or swim upside down. Rarely dives for more than 90 seconds.