Population estimate: Between 57 and 75 dolphins older than 1 year.
Conservation status: Nationally critical.
Found: West coast of the North Island from Maunganui Bluff to Whanganui.
Threats: Fishing, toxoplasmosis and other diseases, oil and gas exploration, boat strike, mining, tourism, noise.
Size: Adult dolphins are about 1.5 m in length.
Auckland is at Level 4 and other regions at Level 2.