Species: Grampus griseus

Risso's Dolphin
Species

    Articles:

    Marine mammals from distant places visit Puget Sound

    The reasons for the surprise visits are unknown, but changes in environmental conditions here or elsewhere are one possibility.

    Yukusam the sperm whale in Haro Strait off of Turn Point Lighthouse, Stuart Island, WA. March 2018. Photo: Copyright Jeff Friedman, Maya's Legacy Whale Watching (used with permission) http://sanjuanislandwhalewatch.com/first-ever-sperm-whale-san-juan-islands/
    Kingdom
    Animalia
    Phylum
    Craniata
    Class

    Mammalia

    Order

    Cetacea

    Family

    Delphinidae

    Genus

    Grampus

    Classification
    Other Global Common Names
    Delfín de Risso, Delfín Gris - dauphin de Risso - dauphin gris - marsouin gris
    Informal Taxonomy
    Animals, Vertebrates - Mammals - Whales and Dolphins
    Formal Taxonomy
    Animalia - Craniata - Mammalia - Cetacea - Delphinidae - Grampus
    Habitat Type Description
    Marine
    Migration
    false - false - false
    Non-migrant
    false
    Locally Migrant
    false
    Food Comments
    Diet mainly squid, occasionally small fishes.
    Ecology Comments
    Usually occurs in groups; off California, groups averaged usually between 30-50, sometimes over 200; in the eastern tropical Pacific, groups averaged 15-26; in the northeastern Atlantic and Mediterranean, average group size was 6-7, with maximum of 20-30 (Leatherwood et al. 1980, IUCN 1991). Commonly associates with pilot whales.
    Length
    400
    NatureServe Global Status Rank
    G5
    Global Status Last Reviewed
    1996-11-15
    Global Status Last Changed
    1996-11-15
    Conservation Status Map
    <img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.BC=S4&US.FL=SNR&US.HI=__&US.MD=__&US.MA=S3&US.NY=__&US.NC=__&US.OR=__&US.SC=SNR" alt="Conservation Status Map" style="width: 475px; height: auto;" />
    Global Range
    Not uncommon worldwide in tropical, subtropical, and warm temperate oceans. In the North Atlantic: Newfoundland to Lesser Antilles in the west, Sweden to the Mediterranean in the east. South to Argentina and South Africa in the south Atlantic. In the Pacific Ocean: Alaska and the Kuiles south to central Chile, Australia, and New Zealand. Occurs also in the Indian Ocean and Red Sea. May wander into cooler waters in summer. See Leatherwood et al. (1980) for information on distribution in the eastern Pacific Ocean.
    ELEMENT_GLOBAL.2.101302