Age, growth, maturity, longevity and natural mortality of the shortfin mako shark (Isurus oxyrinchus) in New Zealand waters

Bishop, Simon; Francis, MP; Duffy, Clinton; C. Montgomery, John

doi:10.1071/mf05077

Public

Age, growth, maturity, longevity and natural mortality of the shortfin mako shark (Isurus oxyrinchus) in New Zealand waters

Published in Marine and Freshwater Research • Feb 2, 2006

Authors:

Simon Bishop

MP Francis

Clinton Duffy

Abstract

Shortfin mako sharks were aged by counting growth bands in sectioned vertebrae (n = 256), and assuming annual band-pair deposition. No systematic ageing bias was present and count precision was high. 0+ juveniles were identified from length–frequency plots and assigned ages based on a theoretical bi...

Subject

Biology

Longevity

Fish measurement

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