Literature cited
- Allen , R. L. 1975 . The catch sampling programme, 1966–73 . Fisheries Research Division Information Leaflet , 7 : 9
- Bonham , K. , Sanford , F. B. , Clegg , W. and Buciier , G. C. 1949 . Biological and vitamin A studies of dogfish landed in the State of Washington (Squalus suckleyi) . Biological Reports of the Washington Department of Fisheries , 49a : 83 – 114 .
- Coakley , A. 1971 . The biological and commercial aspects of the elephant fish. 1. The commercial fishery , N.Z. Marine Department Fisheries Technical Report 76 25
- Deelder , C. L. and Willemse , J. J. 1973 . Age determination in freshwater teleosts, based on annular structures in fin‐rays . Aquaculture , 1 (4) : 365 – 71 .
- Gorman , T. B. S. 1963 . Biological and economic aspects of the elephant fish (Callorhynchus milii, Bory) in Pegasus Bay and the Canterbury Bight , N.Z. Marine Department Technical Report 8 54
- Holden , M. J. and Meadows , P. S. 1962 . The structure of the spine of the spur dogfish (Squalus acanlhias L.) and its use for age determination . Journal of the Marine Biological Association of the U.K. , 42 : 179 – 97 .
- Ishiyama , R. 1951 . Studies on the rays and skates belonging to the family Rajiidae found in Japan and adjacent areas. 2. On the age‐determination of Japanese blackskate (Raja fusca, Garman) . Bulletin of the Japanese Society of Scientific Fisheries , 16 : 112 – 8 .
- N.Z. Ministry of Agriculture and Fisheries . 1973 . Annual Report on Fisheries for 1972 45
- _____ . 1974 . Annual Report on Fisheries for 1973 27