Download AEBR 103 Productivity of two species of deepwater sharks, Deania calcea and Centrophorus squamosus in New Zealand

Basic demographic information necessary to characterise the productivity of two species of deepwater sharks, shovelnose dogfish Deania calcea and leafscale gulper shark Centrophorus squamosus in New Zealand waters was developed through analysis of age, growth, reproduction, and survey biomass trends from the collections on the Chatham Rise and Sub-Antarctic plateau.