Classification
Product TypeRaw Material
Product FormFrozen
Industry PositionPrimary Fishery Product
Raw Material
Commodity GroupMarine finfish (elasmobranchs: dogfish/sharks)
Scientific NameSqualus spp. (dogfish); trade may include Squalus acanthias depending on origin and market designation
PerishabilityHigh (requires continuous frozen cold chain for quality preservation)
Growing Conditions- Wild-caught marine species (not farmed at meaningful scale for this trade form)
- Commonly sourced from temperate to subtropical marine waters depending on species and fishery
Main VarietiesDogfish (Squalidae; commonly marketed under various local names), Other sharks traded under the HS 030375 grouping in some reporting systems
Consumption Forms- Fried/battered preparations (including fish-and-chips-style applications in some European markets for spiny dogfish)
- Stews/curries and mixed seafood dishes
- Further processing into portions/fillets after thawing in downstream plants
Grading Factors- Species identification (scientific name/accepted market name)
- Presentation (head-on/headless; eviscerated/uneviscerated)
- Size/weight consistency
- Core frozen condition and temperature maintenance
- Surface condition (glaze coverage; dehydration/freezer burn defects)
Market
Frozen whole dogfish is traded internationally under the broader customs grouping commonly labeled “Frozen dogfish and other sharks” (HS 030375), linking the product to global shark-meat supply chains rather than a single aquaculture or farming origin. UN Comtrade data accessed via WITS indicates export supply is concentrated among a small set of reporting exporters in recent data, led by Spain and Singapore in 2024. Import demand in recent data is centered in a mix of processing and consumption markets, with Singapore, China, and Brazil among the largest reported importers in 2023. Market dynamics are strongly shaped by fisheries management and conservation scrutiny for elasmobranchs (sharks/dogfish), plus buyer requirements for cold-chain integrity, traceability, and regulatory compliance.
Major Exporting Countries- 스페인Top reported exporter by value for HS 030375 (Frozen dogfish and sharks) in 2024 (UN Comtrade via WITS).
- 싱가포르Top reported exporter by value for HS 030375 in 2024 (UN Comtrade via WITS); trade may include re-exports via regional cold-chain hubs.
- 포르투갈Major reported exporter by value for HS 030375 in 2024 (UN Comtrade via WITS).
- 나미비아Reported exporter for HS 030375 in 2024 (UN Comtrade via WITS), indicating Southern Atlantic supply into global frozen trade.
- 미국Reported exporter for HS 030375 in 2024 (UN Comtrade via WITS); U.S. spiny dogfish supply is managed under a federal fishery management plan.
Major Importing Countries- 싱가포르Top reported importer by value for HS 030375 in 2023 (UN Comtrade via WITS); may act as an import-and-reexport hub.
- 중국Top reported importer by value for HS 030375 in 2023 (UN Comtrade via WITS).
- 브라질Major reported importer by value for HS 030375 in 2023 (UN Comtrade via WITS).
- 포르투갈Major reported importer by value for HS 030375 in 2023 (UN Comtrade via WITS).
- 스페인Major reported importer by value for HS 030375 in 2023 (UN Comtrade via WITS), consistent with intra-industry processing/re-export patterns in frozen seafood.
- 일본Reported among top importers by value for HS 030375 in 2023 (UN Comtrade via WITS).
Specification
Major VarietiesDogfish/sharks (multiple elasmobranch species may be traded under HS 030375 depending on exporter and market rules), Spiny (piked) dogfish — Squalus acanthias (commonly marketed as dogfish in parts of Europe; FAO code DGS)
Physical Attributes- Whole frozen finfish presentation; may be head-on or headless, and uneviscerated or eviscerated depending on buyer specification and market norms
- Susceptible to surface dehydration (“freezer burn”) without adequate glazing/packaging and stable frozen storage
Compositional Metrics- Buyer programs may include contaminant monitoring consistent with destination-market rules for predatory fish (e.g., mercury controls applied to “shark (all species)” in some jurisdictions)
Grades- Codex Standard for Quick Frozen Finfish, Uneviscerated and Eviscerated (CODEX STAN 36-1981) is a common international reference point for frozen finfish process/label expectations
Packaging- Frozen whole fish packed in master cartons or lined cases for frozen distribution
- Glazed products commonly declare net contents exclusive of glaze in line with Codex quick-frozen finfish labeling conventions
ProcessingQuick-freezing and maintaining deep-frozen conditions (e.g., -18°C or colder at the thermal centre after stabilization, per Codex quick-frozen finfish references)Glazing as a protective ice layer to reduce dehydration during frozen storage and transport
Supply Chain
Value Chain- Landing/receipt (iced or chilled) -> sorting by size/species -> optional heading/evisceration -> washing -> quick freezing -> glazing -> packaging -> frozen storage -> reefer transport -> import cold store -> wholesale/processing/foodservice
Demand Drivers- Demand for low-cost frozen seafood inputs and substitution in battered/fried applications in some markets (including European fish-and-chips-style supply chains for spiny dogfish, per NOAA Fisheries context)
- Processing and re-export activity in hub markets visible in trade data (e.g., Singapore appearing among both top importers and top exporters for HS 030375 in recent UN Comtrade/WITS extracts)
Temperature- Cold-chain continuity is critical; Codex references for quick-frozen finfish and fishery products commonly specify maintaining -18°C or colder in storage/transport for deep-frozen fish
- Temperature control and protection against dehydration (e.g., glazing and effective packaging) are key quality-preservation levers for whole frozen fish
Shelf Life- Commercial shelf life is primarily a function of stable deep-frozen storage and dehydration/oxidation control rather than ripening physiology
Risks
Fisheries Management And Conservation HighDogfish is part of the broader shark product complex; shark and ray species are increasingly subject to conservation measures and trade controls. Expanded CITES coverage for shark species means international shipments can require robust species identification, legal acquisition evidence, and (for listed species) non-detriment findings—creating a high-impact disruption risk if a traded species becomes listed or if management bodies tighten catch/landing rules.Require species-level documentation (scientific name), catch area/gear transparency, and legality evidence; diversify approved suppliers and ensure traceability systems can support CITES documentation when applicable.
Food Safety MediumAs a predatory fish category, shark/dogfish products can face heightened contaminant scrutiny (notably mercury) in destination markets, and non-compliance can lead to border rejections, recalls, or restricted market access.Implement destination-market compliance plans with routine contaminant testing, lot traceability, and supplier corrective-action requirements.
Regulatory Compliance MediumLabeling and documentation requirements for frozen fish (e.g., presentation descriptors such as eviscerated/headless, storage instructions, and net contents treatment for glaze) can vary by market and are commonly benchmarked against Codex standards; gaps can trigger detentions or relabeling costs.Align product specs, labeling, and shipping documents to Codex quick-frozen finfish references and destination-market rules; verify glaze declarations and storage instructions on cartons and accompanying documents.
Logistics MediumFrozen whole fish is highly dependent on uninterrupted cold chain; reefer failures or temperature excursions can cause dehydration, quality loss, and claims—especially for glazed/whole presentations where surface condition is commercially visible.Use temperature monitoring (data loggers), verify freezer capacity at origin/destination, and apply robust packaging/glazing protocols to reduce dehydration exposure.
Sustainability- Elasmobranch conservation risk: many shark/dogfish stocks are biologically vulnerable (slow-growing, late-maturing), increasing the likelihood of tightened management measures that can constrain supply
- Shark-product trade scrutiny and the legacy controversy around unsustainable shark exploitation (including finning and poor species-level reporting) drives stronger expectations for full utilization, monitoring, and species identification
- IUU fishing and weak traceability can expose buyers to illegal-sourcing and reputational risk in shark/dogfish supply chains
FAQ
Which countries are the main exporters of frozen dogfish/shark products in recent trade data?In UN Comtrade data accessed via the World Bank’s WITS tool for HS 030375 (“Frozen dogfish and sharks”), Spain and Singapore appear among the top reported exporters in 2024, alongside Portugal, Namibia, and the United States.
Which countries are the main import markets for frozen dogfish/shark products in recent trade data?In WITS/UN Comtrade extracts for HS 030375, Singapore, China, and Brazil are among the largest reported importers in 2023, with Portugal, Spain, and Japan also appearing among the top importers.
What storage temperature is commonly referenced for quick-frozen fish in international standards?Codex references for quick-frozen finfish and fishery product handling commonly benchmark deep-frozen storage at -18°C or colder, with attention to maintaining that temperature through storage, transport, and distribution to preserve quality.