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Resource Ecology & Fisheries Management (REFM) Division

AFSC Quarterly
Research Reports
July-Aug-Sept 2009

Age & Growth Program

Production Numbers

Age readers in the Age and Growth Program have been busy ageing hard structures for both production species and special research projects.

Estimated production numbers for the period from 1 January through 30 September 2009 include 19 species for a total of 28,958, with 6,980 test ages and 399 that were determined to be unageable.

Species	Specimens Aged
Alaska plaice	353
Arctic cod	1,205
Atka mackerel	1,026
Bigmouth sculpin	40
Blackspotted rockfish	390
Dusky rockfish	515
Flathead sole	470
Greenland turbot	944
Northern rock sole	1,122
Northern rockfish	1,083

Species	Specimens Aged
Pacific cod	3,801
Pacific ocean perch	1,305
Quillback rockfish	52
Rex sole	1,589
Rougheye rockfish	420
Sablefish	2,393
Shortraker rockfish	1,202
Walleye pollock	9,667
Yellowfin sole	1,381

By Tom Helser

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