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Photo of a Pacific Calico Scallop

Species profile

Pacific Calico Scallop

Argopecten ventricosus

Clams/oysters/mussels2.2K iNat observations

Identify Pacific Calico Scallop (Argopecten ventricosus) from a photo: try it free in your browser, or get unlimited IDs, no sign-up, with the CatchRules app. Plus current fishing rules across 1 jurisdiction.

At a glance

Pacific Calico Scallop (Argopecten ventricosus) is a bivalve mollusk with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.

Confirmed by 1,417 research-grade iNaturalist observations, concentrated in California.

Notable details

  • Dozens of tiny blue eyes line the edge of its mantle, sensing light and shadow.
  • It escapes predators by rapidly clapping its shells to jet-propel through the water.
  • Shells grow up to 4 inches wide, making it a commercially harvested scallop in Baja California.
  • It lives approximately 2–3 years and is closely related to the Atlantic bay scallop.
  • It ranges from the Gulf of California south to Peru along the Pacific coast.

Background

Argopecten ventricosus is a species of bivalve belonging to the family Pectinidae.

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

Frequently asked questions

What is Pacific Calico Scallop?

Pacific Calico Scallop (Argopecten ventricosus) is a bivalve mollusk with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.

What is the scientific name for Pacific Calico Scallop?

Pacific Calico Scallop is Argopecten ventricosus.

Is Pacific Calico Scallop regulated for fishing?

Yes — Pacific Calico Scallop has fishing regulations in 1 U.S. state and/or Canadian province tracked by CatchRules. See the "Jurisdictions with rules" section above for the binding-source links.

How can I identify Pacific Calico Scallop?

Take a photo with the free CatchRules app for iPhone or Android — on-device identification recognizes Pacific Calico Scallop along with ~1,500 other species. No sign-up, unlimited use.

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