Classification
Product TypeProcessed Food
Product FormFrozen
Industry PositionProcessed Seafood Product
Market
Frozen bay scallops are traded globally as a premium frozen bivalve product, typically sold as shucked meats for retail frozen cases and foodservice. Global scallop supply is heavily aquaculture-led, and China is identified as the dominant producer in recent global production summaries. Trade is commonly tracked under HS 030722 (frozen scallops), with major flows linking Pacific and Atlantic production/processing regions to high-income importing markets in North America, Europe, and East Asia. Market availability and trade continuity are highly sensitive to marine biotoxins and harmful algal blooms that can trigger harvest closures, testing burdens, and border rejections.
Market GrowthMixed (recent years)Supply and pricing can shift quickly with aquaculture output changes and sanitary disruptions (e.g., harmful algal blooms and related closures).
Major Producing Countries- 중국Identified as the main global scallop producer in recent EU market analysis citing global production structure (aquaculture-dominant).
- 프랑스Largest EU producer in 2021 in EUMOFA analysis (EU production concentrated in France).
- 영국Major supplier to the EU-27 and notable producer in EUMOFA analysis (2021).
- 아일랜드Secondary EU producer after France in EUMOFA analysis (2021).
Major Exporting Countries- 일본Shown among leading exporters for HS 030722 in UN Comtrade-derived summaries (recent year coverage).
- 페루Shown among leading exporters for HS 030722 in UN Comtrade-derived summaries (recent year coverage).
- 미국Shown among leading exporters for HS 030722 in UN Comtrade-derived summaries (recent year coverage).
- 덴마크Shown among leading exporters for HS 030722 in UN Comtrade-derived summaries (recent year coverage).
- 태국Appears as an exporter/importer in some UN Comtrade-derived summaries for HS 030722, consistent with re-export/processing trade patterns in frozen seafood.
Major Importing Countries- 미국Shown as a leading importer for HS 030722 in UN Comtrade-derived summaries.
- 프랑스Identified as the main importer of scallops within the EU in EUMOFA analysis.
- 스페인Shown among leading importers for HS 030722 in UN Comtrade-derived summaries.
- 벨기에Shown among leading importers for HS 030722 in UN Comtrade-derived summaries; also functions as an EU logistics gateway for frozen seafood.
- 대한민국Shown among leading importers for HS 030722 in UN Comtrade-derived summaries.
Specification
Major VarietiesArgopecten irradians (bay scallop), Placopecten magellanicus (Atlantic sea scallop), Pecten maximus (great Atlantic scallop), Patinopecten yessoensis (Yesso scallop)
Physical Attributes- Typically traded as shucked scallop meats (adductor muscle and/or whole meat), often IQF to keep pieces separated
- Color and appearance (bright white/cream, low discoloration) are key buyer acceptance attributes
- Texture and drip loss after thawing are critical quality outcomes tied to freezing method and any water-binding treatments
Compositional Metrics- Size is commonly specified by count per unit weight (count/lb or count/kg) for standardized packing and menu costing
- Glaze percentage (if glazed) is a common commercial parameter for frozen seafood transactions
- Added water and the use/non-use of phosphates (where permitted) are frequent specification and labeling considerations
Grades- Commercial grading commonly uses size/count, sensory quality (odor), and defect tolerances (shell fragments, sand/grit, broken pieces)
Packaging- Bulk foodservice packs (e.g., lined cartons with inner polybags) and retail packs (smaller polybags/stand-up pouches) are common
- IQF formats are often used for portion flexibility; block-frozen formats are also traded for some downstream uses
ProcessingIQF or plate/block freezing with optional glazing; rapid freezing and stable frozen storage reduce drip loss and texture degradationWhere used, phosphate treatment can increase water-holding and yield but may trigger buyer restrictions and stricter labeling requirements
Supply Chain
Value Chain- Harvest (wild dredge/hand harvest or aquaculture harvest) -> chilling -> shucking/meat recovery -> washing and inspection -> sizing/grading -> freezing (often IQF) -> glazing (optional) -> packaging and metal detection -> frozen storage -> reefer shipping -> importer cold store -> retail/foodservice distribution
Demand Drivers- Foodservice demand for consistent portioning and predictable cost (size-count specifications)
- Retail demand for convenience proteins and premium seafood options in frozen format
- Seasonal demand spikes in some markets tied to holidays and hospitality cycles
Temperature- Frozen cold-chain continuity is critical; storage/transport is typically maintained at frozen conditions (commonly at or below -18°C in industry practice) to preserve texture and limit thaw-refreeze damage
- Controlled thawing at destination reduces drip loss and microbiological risk
Shelf Life- Frozen scallops generally have a long shelf life when kept continuously frozen; quality deterioration accelerates with temperature abuse and repeated thaw/refreeze events
Risks
Marine Biotoxins HighHarmful algal blooms can lead to marine biotoxin contamination in bivalves and trigger abrupt harvest closures, intensified testing, and border rejections—creating immediate supply shocks and contract risk for frozen scallop trade.Diversify origins, require documented growing-area monitoring and lot-level testing where applicable, and maintain robust traceability and recall readiness through the cold chain.
Food Safety MediumBivalve molluscs can bioaccumulate pathogens or contaminants from the water they filter; failures in sanitary controls, handling hygiene, or thaw management can lead to food safety incidents and regulatory action.Align supplier programs to Codex guidance and destination-market shellfish sanitation requirements; verify HACCP controls, sanitation monitoring, and time-temperature records.
Climate MediumBay scallops and other scallops can be highly vulnerable to climate exposure (warming and acidification), increasing variability in production and raising longer-term supply reliability risk.Track climate-risk indicators in key producing regions, prioritize adaptive aquaculture practices, and avoid over-concentration in a single high-exposure origin.
Regulatory Compliance MediumTrade is sensitive to labeling and composition disputes (e.g., glaze/added water declarations and the use of phosphates where permitted), as well as species identification controls and documentation for frozen seafood imports.Specify species, treatment status (phosphate-treated vs untreated), and glaze targets in contracts; implement periodic lab verification and ensure compliant labeling for each destination market.
Sustainability- Harmful algal blooms and coastal water quality pressures affecting bivalve safety and harvest continuity
- Climate-change exposure for scallops (warming, marine heatwaves, and ocean acidification) with potential impacts on survival and recruitment
- Benthic habitat impacts from dredge-based scallop fisheries in some regions, driving regulatory scrutiny and sustainability requirements
Labor & Social- Traceability and chain-of-custody expectations are rising for global seafood supply chains, including scallops, due to reputational and regulatory due-diligence pressures
- Worker health and safety in shucking/processing facilities (cold environments, cut hazards) is a recurring operational compliance theme
FAQ
What is the biggest global trade disruption risk for frozen bay scallops?Marine biotoxins linked to harmful algal blooms are the most disruptive risk: they can force sudden harvest closures and require additional testing or trigger border rejections for bivalve products. FAO market analysis for bivalves highlights toxic algae as a major constraint, and food safety authorities emphasize that bivalves can accumulate toxins from their environment.
Which HS code is commonly used to track international trade in frozen scallops?A commonly used code in the Harmonized System is HS 030722, which covers frozen scallops (including certain scallop genera) in HS 2017 classification tables maintained by the UN Statistics Division.
How are frozen bay scallops typically processed for export?They are typically harvested, shucked to recover meats, washed and inspected, sized/graded, then frozen (often using IQF) and packaged for frozen storage and reefer transport. Codex guidance for fish and fishery products provides food-safety and hygiene reference points across these handling and processing steps.