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Age and Growth Program

Pollock Ageing

Using otolith morphometrics to separate small walleye pollock Theragra chalcogramma from Arctic cod Boreogadus saida in mixed samples

A Brief History of Age Determination of Walleye Pollock (Theragra chalcogramma) at the Alaska Fisheries Science Center

Pollock Ageing Workshops


Age Validations

  • KASTELLE, C. R., and D. K. KIMURA. 2006. Age validation of walleye pollock (Theragra chalcogramma) from the Gulf of Alaska using the disequilibrium of Pb-210 and Ra-226. ICES J. Mar. Sci. 63:1520-1529.

  • Kimura, D.K., C.R. Kastelle , B.J. Goetz, C.M. Gburski, and A.V. Buslov. 2006. Corroborating ages of walleye pollock (Theragra chalcogramma), Australian J. of Marine and Freshwater Research 57:323-332.
Walleye pollock image





Walleye pollock otolith

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