Refine Results
Species Category

Age and Growth Program Results

45 results match your filter criteria.

Species Collected: Age and Growth Studies in the Northeast

This table lists the species for which we currently collect age samples, along with the structures and preparation methods for each one. Various additional species have been collected in the past, and structures collected historically may be different.

Precision Templates for Ageing

These templates were designed to automate the calculation of measures of ageing precision (including percent agreement, coefficient of variance, and symmetry tests) and plot results for paired age data.
May 06, 2022 - Tool/App ,

Where Do Baby Skates Come From?

Reproduction in Skates from Alaska, a NOAA Fisheries, Alaska Fisheries Science Center brochure.
September 29, 2021 -

Alaska Age and Growth Ageing Request Tables

See what species are being aged at the Alaska Fisheries Science Center and the status of ageing requests with our dynamic summaries that are updated weekly. Select a request either by choosing an individual species or all species.
April 15, 2021 - Query Tool ,

Accuracy and Precision of Fish Ages - Northeast

It is important to ensure consistency in fish ages used in fish population assessments. The Fishery Biology Program in the Northeast conducts age and growth studies and completes regular testing to provide measures of consistency and accuracy.
January 05, 2021 - Data Set ,

Near-Infrared Technology Identifies Fish Species From Otoliths

An innovative use of near-infrared technology could provide essential information for sustainable fisheries management faster.
July 06, 2020 - Feature Story ,
Map of United States with different fish species along the coasts that show where each species lives

Age and Growth Homework: Determining How Old Fish Are

Our scientists use technology and ingenuity to get their work done from home.
July 02, 2020 - Feature Story ,
Scientist in front of equipment

Brodeur's Guide to Otoliths of Some Northwest Atlantic Fish

This second edition of Brodeur (1979) includes the original drawings of sagittal otoliths for 51 common fish of the Northwest Atlantic. Species names have been updated, and new citations have been included to give it a more contemporary perspective.
February 28, 2020 - Document ,

Age Determination Methods for Northwest Atlantic Species

This manual documents age determination techniques used by staff at the Woods Hole Laboratory to conduct age and growth studies and determine the age of various species from the New England and the Mid-Atlantic region.
February 28, 2020 - Technical Memo ,
Buttterfish otoliths.png

Reference Collections For Age Determination Of Select Northwest Atlantic Species

The Fishery Biology Program has photographs of our reference collections (known-age fish) for various species. Currently, there are images available for Atlantic cod, haddock, and American shad.
February 28, 2020 - Data Set ,