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Age and Growth Results

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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 ,

Fish Life History Research on the West Coast

We sample marine animals to "see" into the ocean.

Salmon Life History Research in California’s Central Valley

Our team uses microchemical analyses to quantify salmon life history diversity across freshwater, estuarine, and marine ecosystems to improve conservation, management, and recovery.

Fisheries Assessment and Modeling Research on California Salmon and Groundfish

Our team performs stock assessments and conducts research focused on improving fisheries management.

Habitat and Groundfish Ecology Research in the California Current

Our team performs stock assessments and studies demersal communities and habitat assemblages to ensure sustainable and effective management of marine ecosystems.

West Coast Groundfish Reproduction Research

Understanding population dynamics to support sustainable fisheries.

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 ,

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 ,

Age and Growth

NOAA Fisheries scientists assess the age and growth rates of fish species and populations to better monitor, assess, and manage stocks.
Columns of ear stones. Each column is from a different species. Otoliths from six species aligned at the core and ready to be sectioned. Photo: Sandy Sutherland, NOAA Fisheries.

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 ,