Very slender body, with a long, small snout. Both dorsal fins are equal- sized. Origin of first dorsal fin opposite the rear ends of the pectoral fins. Second dorsal fin is opposite to and much larger than the anal fin.
Grey-brown in back region, light ventral surface (belly).
Western Pacific: New Zealand.
Little-known species. Lives preferably close to bottom on the outer edges of the continental shelf and the upper slope. Down to a depth of 200 m to 400 m.
Feeds probably on fishes and invertebrates.
Total maximum size about 100 cm, average size between 70 cm and 90 cm.
Aplacental viviparous (ovoviviparous).
Some species have a similar appearance and taxonomic features have to be used to clearly distinguish.