Photo Credit: Doug Markle, Oregon State University


  • Species Common Name Eulachon
  • Species Scientific Name Thaleichthys pacificus
  • Federal Listing Status Threatened
  • SMU/ESU/DPS/Subspecies Southern DPS


    Special needs

    Spawns primarily in rivers with significant spring snow melt. Clean gravel needed for spawning and freshet flows to flush larvae to the estuary and ocean.

    Limiting factors

    Marine survival. Altered river flows. Bycatch in ocean fisheries.

    Conservation actions

    Use species-specific habitat requirements to guide management actions. Minimize bycatch.

    Key reference or plan

    NOAA BRT Status Review

    Life History Traits