| Locality: |
Year: from - to |
Sex: | Gear: | Frequency type: |
| Alki Point, Puget Sound Washington, US of America | 1979 - 1979 | unsexed/mixed | other | absolute number measured |
| Green Point, Puget Sound Washington, US of America | 1979 - 1979 | unsexed/mixed | other | absolute number measured |
| Tongue Point, Puget Sound Washington, US of America | 1979 - 1979 | unsexed/mixed | other | absolute number measured |
| Trinidad Bay, California, US of America | 1965 - 1970 | unsexed/mixed | various gears | % of sample |