Guy Carton explains how sensors on the skin of eels help them to detect water movement.
A Statistics New Zealand information sheet on freshwater eels (PDF, 360KB).
Don Jellyman tags long-fin eels in an attempt to find their spawning grounds.
Graham, David H. A treasury of New Zealand fishes. Wellington: A. H. & A. W. Reed, 1953.
McDowall, R. M. The Reed field guide to New Zealand freshwater fishes. Auckland: Reed, 2000.
Potts, T. H. Out in the open: a budget of scraps of natural history, gathered in New Zealand. Christchurch: Kiwi, 1995 (originally published 1882).