Market
Dried clam is a shelf-stable bivalve seafood product traded internationally, commonly classified under HS 030779 (clams, cockles and ark shells, other than live/fresh/chilled, including dried/salted/in brine/smoked). Global trade dynamics are closely tied to coastal bivalve production and processing capacity, with East Asia prominent in export availability and consumption. FAO fishery commodity statistics for the broader clams/cockles/ark shells category show China as the largest exporter by volume in 2015, while the Republic of Korea and Japan are major import markets. Market access and continuity are strongly shaped by shellfish sanitary controls because bivalves can accumulate microbiological contaminants and algal biotoxins that can trigger harvest-area closures and shipment disruptions.
Major Producing Countries- 중국Major global producer and processor of clams/bivalves; Manila clam (Ruditapes philippinarum) is a predominant cultured clam species in China.
- 미국FAO Yearbook (2015 commodities; Table 107) reports clams/cockles/ark shells production in 2015.
- 스페인FAO Yearbook (2015 commodities; Table 107) reports clams/cockles/ark shells production in 2015.
- 대한민국FAO Yearbook (2015 commodities; Table 107) reports clams/cockles/ark shells production in 2015.
- 캐나다FAO Yearbook (2015 commodities; Table 107) reports clams/cockles/ark shells production in 2015.
Major Exporting Countries- 중국Largest exporter by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 포르투갈Significant exporter by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 대한민국Significant exporter by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 캐나다Significant exporter by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 이탈리아Significant exporter by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 미국Significant exporter by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 네덜란드Notable exporter by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
Major Importing Countries- 대한민국Largest importer by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 일본Major importer by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 스페인Major importer by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 미국Notable importer by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 중국Notable importer by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
- 포르투갈Notable importer by volume for the broader clams/cockles/ark shells category in FAO Yearbook (2015 commodities; Table 107, year 2015).
Specification
Major VarietiesManila clam (Ruditapes philippinarum)
Physical Attributes- Low-moisture dried clam product (often sold as whole meats, slices/pieces, or small whole clams depending on processor and market) with concentrated marine/umami flavor.
- Appearance and texture vary by pre-cooking/blanching, drying method, and presence/absence of salting.
Compositional Metrics- Moisture content and water activity are key commercial specifications for dried clams because they drive shelf stability, texture, and mold risk.
- Salt content (for salted-dried variants) is commonly specified to align with destination-market labeling and sensory expectations.
Grades- Commercial differentiation commonly includes whole vs. meat-only format, size uniformity, cleanliness (sand/grit), and sensory quality (odor/color).
Packaging- Moisture-barrier sealed packaging for retail; bulk lined cartons/bags for ingredient and foodservice trade.
- Vacuum sealing and/or oxygen absorbers may be used to support stability in humid climates and long transit.
ProcessingRehydration prior to culinary use is common; rehydration yield and residual grit are practical buyer acceptance factors.Drying reduces spoilage risk but increases sensitivity to moisture re-uptake during storage and distribution.
Risks
Food Safety HighBivalve molluscs are filter feeders and can accumulate hazards from their growing waters, including algal biotoxins associated with harmful algal blooms (e.g., paralytic and diarrhetic shellfish poisoning risks). These events can trigger harvest-area closures, recalls, and sudden trade disruptions; biotoxins are not reliably eliminated by typical cooking or freezing, so upstream monitoring and controls are critical even when products are later processed.Source only from approved/monitored harvest areas; require biotoxin monitoring and lot-level traceability; implement HACCP-based hazard controls aligned with Codex guidance.
Food Safety MediumMicrobiological contamination from polluted waters (including enteric viruses) is a recognized hazard for bivalves, creating compliance and reputational risks if harvest-area controls fail.Verify harvest-area classification, sanitation controls, and (where relevant) depuration/relaying practices; maintain documentation for sanitary inspection regimes in destination markets.
Regulatory Compliance MediumInternational trade in bivalve products faces stringent sanitary and traceability expectations (harvest area controls, contaminant/biotoxin requirements, labeling), and non-compliance can result in border rejections or heightened inspection rates.Maintain species/form/HS-code clarity, end-to-end traceability, and destination-market-aligned documentation (including harvest-area approvals and testing where applicable).
Climate MediumWeather anomalies and oceanographic shifts can change bloom dynamics, mortality, and harvest timing for clams, creating supply volatility and price swings for processors that depend on steady raw material flow.Diversify sourcing regions and maintain flexible procurement and inventory strategies; monitor bloom advisories and producing-area environmental indicators.
Quality MediumDried clams are vulnerable to moisture re-uptake in humid logistics environments, which can degrade texture/flavor and increase spoilage/mold risk if packaging is compromised.Use verified moisture-barrier packaging, desiccants/oxygen absorbers where appropriate, and humidity-controlled storage with routine incoming QA checks.
Sustainability- Harmful algal blooms and coastal water quality variability affecting shellfish safety and harvest continuity.
- Climate-linked ocean warming and marine heatwaves that can increase disease pressure and biotoxin events in bivalve-growing waters.
- Local benthic and water-quality management concerns in intensive bivalve aquaculture and harvest areas (site-specific).
Labor & Social- Traceability and labor-practice scrutiny in seafood processing and trading networks, especially where sourcing includes multiple intermediaries.
- Worker health and safety risks in shellfish handling/processing (cuts, repetitive work, cold/wet environments) and the need for compliant workplace controls.
FAQ
What HS code is commonly used for dried clams in international trade?A common classification for dried clams is HS 030779, which covers clams/cockles/ark shells other than live, fresh or chilled, including dried, salted, in brine, or smoked forms.
Which countries are major importers and exporters in FAO statistics for clams/cockles/ark shells?In FAO’s fishery commodities statistics (2015 yearbook, clams/cockles/ark shells table), China is the largest exporter by volume in 2015, while the Republic of Korea and Japan are major import markets by volume for the same commodity group.
Why are harmful algal blooms a major risk for clam supply and trade?Clams are filter feeders and can accumulate algal biotoxins during harmful algal bloom events, which can lead to harvest closures, recalls, and sudden trade disruptions; public health guidance notes these toxins are not reliably removed by cooking or freezing, making upstream monitoring and controls essential.