Further Sources

Arrow squids of the genus Nototodarus in New Zealand waters: systematics, biology, and fisheries

This 1987 article, originally published in the New Zealand Journal of Marine and Freshwater Research, gives details of two species of arrow squid present in New Zealand waters.
Egg laying behaviour of the broad squid, Sepioteuthis bilineata

A 1971 article from the New Zealand Journal of Marine and Freshwater Research, which documents broad squid laying egg capsules on an artificial reef in Northland.
The giant octopus Haliphron atlanticus (Mollusca: Octopoda) in New Zealand waters

This 2004 paper, published in the New Zealand Journal of Zoology, provides the first record of giant octopus in the South Pacific. This link is to the abstract.
The Octopus News Magazine Online

Online community and news about octopus, squid and other cephalopods.

Batson, Peter. Deep New Zealand: blue water, black abyss. Christchurch: Canterbury University Press, 2003.
Young, Emma. ‘Monsters of the deep.’ New Scientist 2,406 (August 2003): 25–29.