Species: Theragra chalcogramma

Walleye Pollock
Species

    Science Review:

    Articles:

    Foraging differences between male and female harbor seals present challenges for fisheries management

    A 2015 article published in the Marine Ecology Progress Series identifies intraspecific differences in diet between harbor seals in the Salish Sea, suggesting implications for marine reserve management. 

    Harbor seal photographed by Andreas Trepte. Available through a Creative Commons Attribution Share Alike 2.5 license.
    Paper: Shifts in the estuarine demersal fish community after a fishery closure in Puget Sound, Washington

    This paper looks at 21 years of data on estuarine demersal fish in Puget Sound, assessing changes in population after the closure of bottom trawl fisheries.

    Rock Sole (Lepidopsetta bilineata); image courtesy Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
    Bentho-pelagic fish in Puget Sound

    Bentho-pelagic fish utilize both bottom habitats and shallower portions of the water column, often feeding in shallow water at night and moving to deeper water to form schools during the day.

    Pacific Hake (Merluccius productus). Image courtesy of NOAA.
    Kingdom
    Animalia
    Phylum
    Craniata
    Class

    Actinopterygii

    Order

    Gadiformes

    Family

    Gadidae

    Genus

    Theragra

    Classification
    Informal Taxonomy
    Animals, Vertebrates - Fishes - Bony Fishes - Other Bony Fishes
    Formal Taxonomy
    Animalia - Craniata - Actinopterygii - Gadiformes - Gadidae - Theragra
    Habitat Type Description
    Marine
    Migration
    false - false - false
    Non-migrant
    false
    Locally Migrant
    false
    NatureServe Global Status Rank
    GNR
    Conservation Status Map
    <img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.BC=SNR&US.WA=SNR" alt="Conservation Status Map" style="width: 475px; height: auto;" />
    ELEMENT_GLOBAL.2.106263