Katakura et al.: The relation between otolith and somatic growth over the lifespan of walleye pollock (Theragra chalcogramma) 



455 



Acknowledgments 



We thank J. R. Bower. K. Morita, N. J. Williamson, 

 and the anonymous referees for invaluable advice on 

 the manuscript, T. Yanagimoto, K. Mito, T. Honkalehto, 

 S. de Blois, N. Tanimata, R. Nanbu, and O. Sakai for 

 assistance with the sampling and measurements offish 

 samples. We also thank the scientists of the following 

 agencies for the offer of biological data and otolith sam- 

 ples: National Research Institute of Far Seas Fisheries, 

 Fisheries Research Agency, Japan: Hokkaido National 

 Fisheries Research Institute, Fisheries Research Agency, 

 Japan: Graduate School of Fisheries Sciences, Hokkaido 

 University, Japan; and Alaska Fisheries Science Center, 

 National Marine Fisheries Service, National Oceanic 

 and Atmospheric Administration, USA. We also thank 

 the crews of the RV Kaiyo Maru, TS Oshoro Maru, RV 

 Miller Freeman, and chartered fishing vessels. 



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