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Age and Growth Results

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Assessing Alaska Fish Stocks

NOAA Fisheries assessment scientists are responsible for determining the current status of commercial and recreationally caught fish species in the waters of Alaska from 3–200 nautical miles offshore or in federal waters.
Group of fish after being caught

Alaska Age and Growth Production Figures Archive

This collection of data features age range information from a multitude of species from 1990 through 2008.
March 01, 2018 - Database ,

Groundfish Species Aged at the Alaska Fisheries Science Center

The information below represents a brief history of the ageing of groundfish species at the Alaska Fisheries Science Center.

Fish Otolith Collection Database

The database is searchable by common name and returns numbers aged and collected by area. Vessel and cruise information is available for survey collections, and collection numbers for the Observer program are available by area. 
February 28, 2018 - Query Tool ,

Precision Statistics by Species

Species aging statistics.

Age Determination References

Publications on Fish Age Determination.

Age Determination Materials and Equipment

Virtually all of the equipment employed by the Alaska Fisheries Science Center Age and Growth Program is used to enhance the visibility of annual marks so they can be contrasted with checks (non-annual marks) and be more easily counted.

Age and Growth Program Database

* The information in this document has not been subjected to formal peer review. Please use footnotes and the following format when citing this document: Short, J.A., and D. M. Anderl. 2012. The Age and Growth Program Database. Resource Ecology and Fisheries Management Division, Alaska Fisheries Science Center, NMFS, NOAA, 7600 Sand Point Way NE, Seattle WA 98115