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Photo of a Weathervane Scallop

Species profile

Weathervane Scallop

Patinopecten caurinus

Scallops31 iNat observations

At a glance

Weathervane Scallop (Patinopecten caurinus) is a scallops regulated in 3 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

The strictest bag limit is 6 (British Columbia); the most generous is 100 (British Columbia).

Confirmed by 25 research-grade iNaturalist observations, with British Columbia, Oregon, and Washington the top jurisdictions by observation count.

Notable details

  • Weathervane scallops are the largest scallop in North America, with shells reaching 11 inches across.
  • They escape sea stars and other predators by rapidly clapping their shells to swim away.
  • Dozens of small bright blue eyes line the edge of their mantle.
  • Found from Alaska to California, they favor depths between 60 and 400 feet.

Background

Patinopecten caurinus is a species of bivalve belonging to the family Pectinidae.

Background excerpt adapted from Wikipedia's Weathervane Scallop article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.