期刊
JOURNAL OF FISH BIOLOGY
卷 87, 期 2, 页码 422-448出版社
WILEY
DOI: 10.1111/jfb.12732
关键词
growth modelling; life history; vertebral ageing
资金
- Department of Agriculture, Forestry and Fisheries
Total lengths (L-T) at age and growth rates for south-west Pacific Galeocerdo cuvier were estimated from vertebral growth-band counts of 202 sagitally sectioned centra from 112 females (71-430cm L-T), 79 males (72-351cm L-T) and 11 of unknown sex. Captive growth data were also examined to complement vertebral age estimations. The sexes combined modelled growth coefficient (k=008) was smaller than previously reported for G. cuvier populations elsewhere. Split-band and narrow banding patterns were identified as potential sources of age underestimation in this species.
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