Primary growth rings in Blue Whiting otoliths
1979
Gjøsæter, Jakob | Beck, Inger Marie
To approach the problem of ageing blue whiting, acetat prints of the otoliths have been studied through a microscope. Primary growth rings have been counted, and provided that these are formed daily, the hatching time could be estimated The growth rate was found to reach a maximum when the fish is about two months old, and the results of the analysis further suggest that the blue whiting may reach a size of 20-25 cm within its first year of life.
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Библиографическая информация
Эту запись предоставил Institute of Marine Research
