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HACCP · MSC · ISO 22000 · Cold chain · Lab testing

Quality & Certifications —
What They Mean for Frozen Mackerel

Every frozen mackerel shipment from Global Mackerel is sourced from facilities operating under documented HACCP plans and holding the certifications required by the destination market. But "HACCP certified" on a supplier sheet is a starting point, not an answer. This page explains what each certification actually requires in a mackerel processing context, how the cold chain works from vessel to destination port, what laboratory tests matter and why, and how to evaluate a supplier's quality system rather than just collecting certificates.

Standard certifications across our supply chain

HACCPEU ApprovedISO 22000IFS FoodBRC Global StandardMSC CoC*MPEDASANIPESMattilsynetONSSAMFMRDAFF

* MSC CoC varies by origin. Northeast Atlantic mackerel group certificate suspended since 2019. See MSC section below.

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HACCP-certified frozen mackerel processing facility — Critical Control Points cold room and glazing line
HACCP-certified processing, Critical Control Points — from intake temperature verification to final IQF glazing and carton sealing

Section 1

Certifications Explained — What Each One Actually Requires

A certification name on a supplier document tells you that a third party visited the facility and found it compliant at the time of the audit. It does not tell you what the certification required, or whether the issues that matter for frozen mackerel were examined. These are the certifications that appear on mackerel supply chain documents — with what each one actually means in practice.

HACCP — Hazard Analysis and Critical Control Points

Legally required

HACCP is not a certification in the third-party audit sense — it is a regulatory food safety framework legally required for all food processing facilities exporting to the EU (Regulation 852/2004), the US (FDA 21 CFR Part 123 for seafood), and most other regulated markets. A HACCP plan identifies every biological, chemical and physical hazard at each processing step and assigns Critical Control Points where the hazard can be prevented, eliminated or reduced to an acceptable level.

For a mackerel processing plant, the non-negotiable CCP is temperature management from catch intake to frozen core. The critical limit is core temperature ≤ −18°C within a defined timeframe from landing. Monitoring, corrective action, verification and record-keeping procedures must be documented, implemented and updated whenever the process changes.

What to ask a supplier

  • —What is the CCP for temperature from intake to frozen core? What is the critical limit?
  • —How is the CCP monitored — continuous electronic logging or periodic probe check?
  • —What corrective action is taken when a CCP deviation occurs? Can they show a documented example?
  • —When was the HACCP plan last reviewed and by whom?

Red flags

  • ✗HACCP plan that hasn't been updated in 3+ years
  • ✗No documented corrective action records for CCP deviations
  • ✗Temperature monitoring by periodic probe only (no continuous logging)

EU Establishment Approval — Regulation 853/2004

Required for EU import

EU approval (also called "EU establishment listing" or "EU approved third-country establishment") is granted by the European Commission to specific processing facilities in non-EU countries whose competent authority has been assessed and accepted as equivalent to EU standards. Each approved facility receives a unique EU establishment number that appears on the health certificate.

To import frozen mackerel into the EU, the processing plant must appear on the current EU approved establishments list for fishery products. The list is maintained at food.ec.europa.eu. An establishment can lose EU approval — and a surprise check will reveal this. Verify the establishment number is currently listed before contracting, not after.

How to verify

  • —Go to food.ec.europa.eu → TRACES → Approved third-country establishments
  • —Search by country and commodity (fishery products)
  • —Cross-check the establishment number on the supplier's health certificate template
  • —Check that the approval is current — "suspended" or "withdrawn" status is shown

Covered origins on this site

Norway, Iceland, Morocco, India (MPEDA plants), Peru (SANIPES plants), Namibia (MFMR plants), Australia (DAFF plants) all have EU-approved processing establishments. Not all plants in each country are approved — verify the specific facility.

ISO 22000 — Food Safety Management System

Voluntary — signals higher standard

ISO 22000 integrates HACCP into a broader food safety management system aligned with ISO 9001 quality management principles. It adds to HACCP: systematic prerequisite programmes (infrastructure, equipment, cleaning, pest control, traceability), management review cycles, internal audit programmes, supplier qualification procedures, and documented continual improvement.

A mackerel processor with ISO 22000 certification has formally documented how it manages hygiene, pest control, cleaning validation, equipment calibration and supplier assessment — not just the food safety CCPs. This matters commercially because ISO 22000 audits are third-party verified (annual) and cover the entire food safety management system, not just production-floor compliance on a single inspection day.

Difference from HACCP alone: HACCP is the floor — legally required. ISO 22000 is the management framework built around it. A facility can be HACCP-compliant with a minimal documentation system; ISO 22000 requires that the entire food safety system is systematically managed, reviewed and improved.

Practical value for buyers: ISO 22000-certified suppliers typically have better traceability systems (lot-to-raw-material linkage), stronger supplier qualification (they audit their own raw material suppliers), and better documented corrective action history. These are the things that matter when you need to trace a lot back through the chain.

BRC Global Standard / IFS Food — Retailer-Grade Certifications

Required by many EU/UK retailers

BRC Global Standard for Food Safety (now BRCGS Food Safety) was developed by the British Retail Consortium and is widely required by UK and international retailers for own-label food suppliers. IFS Food is its German-French equivalent, more commonly required by French, German, Italian and Benelux retailers. Both cover food safety management, product control, process control, and site standards at a level of detail beyond ISO 22000.

For frozen mackerel specifically, BRC and IFS auditors examine the facility's foreign body detection systems (metal detection, X-ray), allergen management (unusual for fish but required by the standard), pest control records, cleaning validation, and product recall and withdrawal procedures. They also cover packaging material compliance and finished product specifications.

Grade levels: BRC grades audits from AA (highest, unannounced audit) to C. IFS uses percentage scores. EU and UK retailers sourcing premium private-label smoked mackerel or ready-to-eat mackerel products typically require BRC AA or IFS Higher Level. Commodity export suppliers in Morocco or Peru may hold BRC B or C, which satisfies many buyers but not premium retail.

Not all mackerel export plants have BRC or IFS: many competent, EU-approved facilities in Norway, Iceland and Morocco do not hold these retailer certifications because their primary customers are B2B importers and processors, not supermarket chains. Absence of BRC/IFS does not indicate a low-quality supplier — but presence at AA grade for an unannounced audit does indicate strong operational discipline.

Section 2

The Frozen Mackerel Cold Chain — From Vessel to Your Port

The cold chain for frozen mackerel is not a single temperature setting — it is a sequence of distinct handling steps, each with its own temperature requirement and risk profile. A break at any point cannot be corrected downstream. This is the sequence as it actually works for each major origin type.

Norwegian / Icelandic Scomber scombrus — land-processed and FAS

Capture and RSW hold

CCP 1

Fish caught in purse seine net. RSW (Refrigerated Seawater) tanks on board pre-cooled to 0°C to −1°C. Fish must reach RSW within 30 minutes of net closure. Core temperature of the fish mass must drop to ≤4°C within 6 hours. For FAS product, fish go directly to the plate freezer on board within 2–4 hours — no shore landing.

Offloading and plant intake

CCP 2

Fish discharged via RSW pump to quayside tanks or directly to plant intake. Temperature at intake must be ≤4°C. Time from RSW offloading to freezer entry: maximum 4 hours. Histamine forms rapidly above 10°C — this handover is the highest-risk step for land-processed Norwegian mackerel.

Freezing — IQF belt or plate

PRP

IQF belt freezer or plate freezer. Core temperature of each fish must reach −18°C before exit. IQF belt speed is calibrated by fish size — 300g fish and 600g fish require different dwell times. Post-freeze glazing applied immediately. Cartons sealed and placed in cold store.

Cold store — pre-export

PRP

Cold store maintained at −18°C ± 2°C with continuous electronic temperature logging. Alarm threshold typically set at −14°C. Lots held for pre-shipment quality check (visual, histamine, fat content where specified) before container booking.

Reefer container loading

PRP

Container pre-cooled to −18°C before loading. Loading must be completed within 30 minutes to prevent warm air infiltration. Data logger placed at return air point (not near the door). Container set point: −18°C. Do not set to −20°C — most containers cannot reach and hold −20°C reliably, and the dehumidification cycle can cause product to rise above −18°C intermittently.

Ocean transit

PRP

Reefer monitored by carrier systems. Remote temperature download available from most carriers. Transit from Norway to Gdańsk: 4–6 days. To Jebel Ali: 18–22 days. To Lomé: 14–18 days. To Dalian: 28–35 days. Longer transits increase time at sea and the statistical probability of a temperature event.

Moroccan / Indian / Tropical origins — shore-based processing

Catch and boat return

CCP 1

Artisanal or semi-industrial vessels without RSW. Fish iced on board or stored in insulated holds. Ambient sea temperature in Moroccan Atlantic waters: 16–22°C. Ambient temperature at Agadir dock: 20–35°C depending on season. This is the highest-risk step for tropical-origin mackerel. Time on boat without ice or RSW directly determines histamine load at plant intake.

Unloading and intake inspection

CCP 2

Fish unloaded at quay. ONSSA (Morocco) or MPEDA (India) inspection agent assesses sensory condition. Temperature at intake measured. For ONSSA-approved plants: intake above 4°C triggers a hold pending rapid histamine test (ELISA screening). Lots above the HACCP floor (typically 30mg/kg) are rejected from human consumption.

Processing room — gutting or WR direct

CCP 3

Processing room temperature: ≤10°C (EU requirement), ideally ≤4°C. For Indian mackerel (R. kanagurta) whole round: direct to freezer. For H&G: gutting line, cavity wash, inspection for blood residue. Time from intake to freezer entry: maximum 4 hours. For Scomberomorus steak cutting: ≤4°C cutting room, ≤90 minutes cut-to-core −18°C for 2–4cm steaks.

Freezing — plate or belt

PRP

BQF plate freezer (Moroccan horse mackerel, Peruvian jack mackerel): fish loaded in moulds, pressed, frozen as block. IQF belt (premium grades, Indian mackerel, Spanish mackerel steaks): individual quick freeze. Core temperature ≤−18°C before removal. BQF blocks require longer freeze cycle — core of a 20kg block takes longer to reach −18°C than individual IQF fish.

Cold store and export hold

PRP

Maintained at −18°C. For Moroccan exports: ONSSA pre-shipment inspection. For Indian exports: MPEDA DFAR certificate requires laboratory results to be filed before certificate is issued. Lead time: 5–10 working days after production before certificate. Plan container booking accordingly.

Reefer container — tropical port loading

PRP — elevated risk

Port ambient temperature 30–40°C at Agadir, Mombasa, Nhava Sheva. Container pre-cooling to −18°C is essential. Loading bay temperature differential can cause partial surface thaw on product during loading if containers are not adequately pre-cooled. Specify pre-cooling confirmation in shipping instructions. Harmattan wind season (November–February) creates ambient dehumidification stress at West African discharge ports.

The reefer container set point — why −18°C, not −20°C

Most specifications and regulations require frozen fish to be maintained at −18°C. Some buyers instruct their freight forwarder to set the reefer at −20°C or −22°C, assuming colder is always better. This is incorrect for two reasons. First, most reefer containers are designed and calibrated to maintain −18°C to −20°C — setting below the design range causes the refrigeration unit to run continuously without reaching set point, which increases energy consumption, wear and equipment failure risk. Second, the dehumidification cycle that runs periodically on most reefer units can cause the supply air temperature to temporarily rise above set point. At −18°C set point this cycle is normal. At −22°C set point, the reefer cannot compensate and product temperature may actually exceed −18°C during the cycle. Set the container at −18°C, verify with a calibrated data logger, and review the logger readout at destination.

Section 3

Laboratory Tests — What to Require and Why

A pre-shipment laboratory certificate is the only objective evidence that the lot you are buying meets your specification. The tests listed below are mackerel-specific — the parameters that actually matter for this product category, with the correct analytical method for each. Always specify the method in your purchase order, not just the parameter name.

Pre-shipment laboratory tests for frozen mackerel — parameters, methods and regulatory context
Parameter Method EU limit / action level FDA / other When to require Notes specific to mackerel
Histamine HPLC-dansyl (AOAC 977.13 or ISO 1844) 200 mg/kg (M value) n=9, c=2, m=100 — Reg. 2073/2005 50 mg/kg FDA action level Every lot, every shipment — no exceptions for Scombridae and Trachurus ELISA acceptable for plant screening but not for regulatory certificates. HPLC only for compliance. See the histamine guide for the full sampling plan explained.
Fat content Soxhlet (AOCS Ce 1-62 or ISO 1443) Not a regulatory limit — contractual specification Not regulated Every lot when fat content is in the purchase order specification NMR is not acceptable as the sole confirmation method for fat specifications above 14%. Variance ±1.5–2.0% on NMR vs ±0.5% on Soxhlet. See the fat content guide.
Microbiological — Salmonella ISO 6579-1 Absent in 25g — Reg. 2073/2005 Absent in 25g (FDA) Standard inclusion on all pre-shipment certificates Frozen mackerel is not RTE — Salmonella risk is lower than for smoked product, but EU regulation requires absence in 25g on fish products.
Microbiological — Listeria monocytogenes ISO 11290-1 Absent in 25g (RTE products) — Reg. 2073/2005 Zero tolerance for RTE Required for smoked mackerel and any RTE format. Less critical for raw frozen WR destined for further processing. Hot-smoked mackerel is a RTE product — Listeria testing is mandatory at the finished product level. Cold-smoked mackerel is not HACCP-technically RTE — check the applicable regulation for your market.
Mercury GFAAS or ICP-MS (EN 13806) 0.5 mg/kg for most species — Reg. 1881/2006 1.0 mg/kg (FDA action level, methylmercury) Include for Scomberomorus species — king mackerel advisory applies; routine for others King mackerel (Scomberomorus cavalla): FDA and EPA advisory recommends pregnant women and children avoid king mackerel due to high mercury. EU limit 0.5 mg/kg applies to all species on this site except predatory species which have a 1.0 mg/kg limit. See king mackerel page for the applicable advisory.
Cadmium / Lead ICP-MS (EN 14083) Cd: 0.05 mg/kg muscle. Pb: 0.30 mg/kg muscle — Reg. 1881/2006 Action levels apply Annual batch basis — not required every lot but should be included in annual supplier qualification Mackerel is a pelagic open-water species with low heavy metal bioaccumulation relative to demersal or long-lived predatory species. Routine failures are rare, but the test must be documented in the supplier qualification file.
Moisture / glaze Gravimetric drain test (60-second drain on wire rack) Not a regulatory parameter — contractual — Every lot when net drained weight is specified or when glazing % is in the PO GCC (SFDA) and Japan require net drained weight on carton labels. EU requires net food weight (= drained). Always verify glaze declaration at receiving — clumped IQF product indicates a temperature break, not over-glazing. See the fat and glaze guide.
Radiation (Cs-134, Cs-137) Gamma spectrometry 137Cs: 600 Bq/kg (EU, fish) — Reg. 2016/52 MHLW: 100 Bq/kg (Japan, strict) Required for Japan and Korea imports from North Pacific origins (Japan, Korea). Not required for Atlantic or Indian Ocean origins. Post-Fukushima requirement. MHLW maintains a restricted area list that evolves over time — verify current requirements before contracting Japanese or Korean origin product for Japanese re-import. Atlantic mackerel: not required.

The test certificate trap — what to check on any certificate you receive

A laboratory certificate is only as useful as its specificity. Before accepting any pre-shipment certificate, verify: (1) the lot number on the certificate matches the lot number on the commercial invoice and packing list — a certificate from a different lot proves nothing; (2) the method is specified — "histamine" without a method reference could be ELISA or lateral flow, not HPLC; (3) the laboratory is accredited — the certificate should state ISO 17025 accreditation and the accreditation body; (4) the issue date is pre-shipment — a certificate issued after loading is a verification, not a control; (5) the sample size matches the regulatory requirement — 9 samples for EU histamine sampling plan, not 1 or 3.

Section 4

Certification Requirements by Destination Market

What a destination market requires in terms of certifications and documents from the exporter varies significantly. The table below consolidates the key requirements across the main markets for frozen mackerel imports. For full document-by-document detail, see the frozen mackerel trade guide.

Certification and document requirements by destination market — frozen mackerel
Market EU establishment approval HACCP IUU catch cert. Halal cert. Histamine cert. MSC CoC Special requirements
European Union ✓ Required ✓ Required ✓ Required
Reg. 1005/2008		 — Not required ✓ Mandatory
n=9, HPLC		 ◑ Retailer dependent
Suspended for NE Atlantic		 EUR.1 or GSP for preferential tariff. BIP pre-notification 24h before arrival. RASFF traceability for food safety incidents.
United Kingdom ✓ UK-equivalent approval ✓ Required ✓ Required
UK IUU rules mirror EU		 — Not required ✓ Mandatory ◑ Retailer dependent UK IPAFFS pre-notification. APHA-accepted health certificate. Separate from EU system post-Brexit.
Saudi Arabia / GCC ◑ SFDA registration
Not EU approval — separate		 ✓ Required — Not required ✓ Required — lot-specific
SFDA-approved halal body		 ✓ Required by SFDA — Not required Arabic net-weight labelling on cartons. SFDA establishment registration must be current. SASO conformity in some categories. Scientific name on all docs.
Japan ◑ MHLW-approved establishments ✓ Required — Not formally required — Not required ✓ MHLW pre-notification ◑ Premium retail Radiation cert (Cs-134/137) for North Pacific origins. Japanese EPA bilateral cert where applicable. Scientific name on MHLW pre-notification. Species-correct labelling (ma-saba vs taiseiyou-saba).
China (mainland) ✓ GACC registration required
Takes 6–12 months for new exporters		 ✓ Required — Not formally required — Not required ✓ CNCA inspection — Not required Chinese-language label on cartons. Cold chain records from origin to port. CNCA lab sampling at arrival. Pre-register exporter and product well in advance.
Nigeria (NAFDAC) — Not required ✓ Via origin cert — Not required — Not required ✓ Required at port — Not required NAFDAC import permit required before arrival. NAFDAC product registration number on packaging. Budget 15–21 days clearance at Apapa. Cold-storage cost during clearance is a significant landed-cost item.
India (FSSAI) — Not required ✓ Via MPEDA for Indian re-export — Not required for imports — Not required nationally ✓ NABL lab sampling — Not required FBO licence on Indian importer. ICEGATE pre-file. NABL lab sampling adds 5–15 days. Mundra typically faster than Nhava Sheva. HS declaration must match scientific name on certificate.

Section 5

MSC, Sustainability Certification and the Honest Picture for Mackerel

The Marine Stewardship Council suspended the Northeast Atlantic mackerel group certificate in 2019. The suspension covers all Norwegian, Icelandic and Faroese mackerel processing plants that held MSC Chain of Custody certification within the group. No frozen Atlantic mackerel Scomber scombrus from Norway, Iceland or the Faroe Islands can legally carry the MSC blue label as of 2026, regardless of which plant processed it or what CoC it holds.

The suspension was triggered by governance failure — combined catches by all coastal-state parties (Norway, Iceland, Faroes, EU and UK) repeatedly exceeded ICES-recommended Total Allowable Catch levels. It is not a biological collapse. ICES stock assessments consistently place the Northeast Atlantic mackerel spawning stock biomass above Blim (the biological danger threshold). The full analysis of why the quota governance failed and what it means for supply is in our Atlantic mackerel quota crisis guide.

For buyers whose sustainability policy requires MSC certification on Scomber mackerel, there is currently no compliant Northeast Atlantic source. Buyers with more flexible sustainability policies — or policies that allow evidence-based sourcing without mandatory blue-label certification — can document procurement using ICES stock assessment data (public and peer-reviewed), IUU catch certificates per shipment, and national quota accounting records from Fiskeridirektoratet (Norway) and Fiskistofa (Iceland). Some third-party retailer audits accept this approach — confirm with your auditor before contracting.

MSC status by mackerel species — 2026

S. scombrus Norway / Iceland / Faroes

Group certificate suspended 2019. No MSC label available.

S. japonicus Japan (Pacific coast)

Some fisheries MSC-certified. Verify specific fishery and plant CoC before contracting.

S. australasicus Australia / New Zealand

Some fisheries assessed or in assessment. Verify by specific state and fishery.

T. capensis Namibia

Some Namibian hake fisheries MSC-certified but T. capensis pelagic: verify current status.

T. murphyi Peru

No MSC certification for Peruvian jack mackerel as of 2026. SPRFMO management framework applied but not MSC-assessed.

R. kanagurta India / Sri Lanka

No MSC certification. MPEDA DFAR certification is the applicable food safety standard, not sustainability.

Evidence-based sourcing without MSC — what documents to build

ICES advisory PDF (published June, free at ices.dk) + IUU catch certificate per shipment + Fiskeridirektoratet quota accounting (public) + Fiskistofa quota records (Iceland). This package satisfies some retail audits under evidence-based sustainability criteria. Discuss with your specific auditor before committing to a supply programme.

Section 6

How to Evaluate a Frozen Mackerel Supplier — Beyond the Certificate List

A supplier who sends you a list of certifications has answered one question: did a third party audit them and find them compliant at the time of the visit? The questions that matter more for frozen mackerel procurement are operational — about how they actually manage the cold chain, histamine risk, and traceability on a day-to-day basis. These are the questions worth asking before the first purchase order.

Temperature and cold chain — operational questions

  • →What is the maximum time from landing to frozen core at your facility? Can you show the SOP and a sample temperature log?
  • →Is cold store temperature monitored continuously with electronic probes? What is the alarm threshold and who is notified?
  • →Do you provide a data logger in the container? Can the buyer access the logger data at destination?
  • →What is your container set-point procedure? Do you pre-cool containers before loading and verify pre-cooling?
  • →What happened the last time a CCP temperature deviation occurred? Can you show the documented corrective action?

Histamine and food safety — operational questions

  • →What is your HACCP critical limit for histamine at plant intake? What is the monitoring method — ELISA, lateral flow, or HPLC?
  • →What is your internal HACCP floor for histamine at intake? What percentage of incoming lots exceed your internal limit in a typical season?
  • →Which external laboratory do you use for HPLC histamine certificates? Are they ISO 17025 accredited?
  • →Do you test per production lot or per batch of containers? What is your definition of a "lot" for certificate purposes?
  • →Has any shipment from your facility been held or rejected at EU BIP or MHLW in the last three years? What was the cause?

Traceability — lot-level questions

  • →Can you trace a specific carton in a shipment back to the catching vessel, catch date and ICES/FAO fishing zone?
  • →How is the lot number on the certificate linked to the carton production date and the batch of raw material?
  • →If we needed to recall a specific lot, how long would it take you to identify all containers from that lot and their destinations?
  • →Is traceability maintained through the cold-store drawdown — i.e., can you link a carton removed from cold store in February to the October production lot?

Documentation — commercial questions

  • →What is your lead time from container loading to complete document set (health cert, catch cert, BL, invoice, packing list)?
  • →Have you previously shipped to our destination market? Do you know the specific document requirements for that competent authority?
  • →Can you provide a copy of your EU establishment approval number and the TRACES listing page?
  • →For halal markets: which halal certifying body do you use? Is it on the current SFDA approved list?

Section 7

Standard Document Checklist — Every Global Mackerel Shipment

Every shipment from Global Mackerel is supported by a complete document set. The core documents are provided on every shipment. Additional documents are prepared based on destination market requirements confirmed at order placement. No shipment leaves without the full set being verified against the purchase order specification.

Core documents — every shipment

  • Commercial invoice

    Species (scientific + common name), HS code, size grade, format, net/gross weight, unit price per MT, total value, incoterm, origin country, production date, lot number

  • Packing list

    Carton count, individual carton weights (gross and net), pallet count, container number and seal number

  • Bill of Lading

    Issued by shipping line. Commodity description matches invoice. Notify party, port of discharge, container number, temperature instruction

  • Health certificate

    Issued by origin competent authority (Mattilsynet / MAST / ONSSA / MPEDA / SANIPES / MFMR / DAFF). References EU establishment number, species, processing date, HACCP compliance

  • IUU catch certificate

    Issued by flag-state fisheries authority. References vessel, ICES or FAO zone, catch date, quota booking. Mandatory for EU imports under Reg. 1005/2008

  • Laboratory certificate — histamine

    HPLC method, n=9 sampling, issued by ISO 17025 accredited lab (Eurofins / SGS / Bureau Veritas) per production lot before container seal

Additional documents — by destination

  • EUR.1 / GSP certificate of origin

    EU / UK import — for preferential tariff claim (Norway and Iceland under EEA Agreement, Morocco under Association Agreement)

  • Fat content certificate (Soxhlet)

    When fat specification is in the purchase order. From named third-party lab. Pre-shipment.

  • Halal certificate — lot-specific

    GCC (SFDA) and Muslim-majority markets. From SFDA-approved halal body. References specific production lot number.

  • Radiation certificate (Cs-134 / Cs-137)

    Japan / Korea — North Pacific origin only. Not required for Atlantic or Indian Ocean origins.

  • Certificate of analysis (micro, heavy metals)

    EU premium and retail buyers. Includes Salmonella, Listeria, Mercury, Cadmium, Lead.

  • NAFDAC import permit

    Nigeria — must be obtained before shipment sails, not after arrival.

  • Temperature data logger report

    Any market — provided on request. Logger placed in container at loading, data downloaded at destination.

Frequently Asked Questions

What certifications should a frozen mackerel supplier have?
Minimum for EU import: EU establishment approval, documented HACCP plan, health certificate from origin competent authority (Mattilsynet, MAST, ONSSA, MPEDA, SANIPES or MFMR), and IUU catch certificate. For GCC: SFDA establishment registration plus lot-specific halal certificate from SFDA-approved body. ISO 22000 and BRC/IFS are voluntary but signal higher operational discipline. MSC Chain of Custody is currently unavailable for Northeast Atlantic mackerel due to the 2019 group certificate suspension.
What is the cold chain requirement for frozen mackerel?
Core temperature must be maintained at −18°C or below from first freezing to final consumption. Reefer containers should be set at −18°C (not −20°C — most containers cannot reliably hold below −20°C and dehumidification cycles can cause product to rise above set point). A temperature data logger in the container, reviewed at destination, is the only objective verification of cold chain integrity in transit. A single excursion above −12°C for more than two hours can initiate histamine and oxidative risk that cannot be reversed.
What laboratory tests should be required on a frozen mackerel shipment?
Minimum: histamine (HPLC, n=9 per lot, pre-shipment, ISO 17025 accredited lab), Salmonella (absent in 25g), Listeria monocytogenes (absent in 25g for RTE product), mercury and cadmium (per EU Reg. 1881/2006 limits). When fat specification is in the purchase order: Soxhlet fat content. For Japan from North Pacific origins: radiation certificate (Cs-134/137). For GCC: separate SFDA-approved halal certificate. Always verify the lot number on the certificate matches the shipment lot number.
What is the difference between HACCP and ISO 22000 for a mackerel processor?
HACCP is legally required — it identifies hazards and sets Critical Control Points with measurable limits, monitoring and corrective actions. For mackerel, the primary CCP is temperature from catch to frozen core because histamine formation is irreversible. ISO 22000 integrates HACCP into a broader food safety management system with prerequisite programmes, management review, internal audit and supplier qualification. HACCP is the floor. ISO 22000 is the management framework built around it, audited annually by a third party.
What does MSC Chain of Custody certification mean for frozen mackerel?
MSC CoC is held by the processing facility and allows the MSC blue label to be placed on products made from MSC-certified fisheries raw material. For frozen Atlantic mackerel: the Northeast Atlantic group certificate was suspended in 2019 due to coastal-state quota governance failure — no Norwegian, Icelandic or Faroese mackerel can carry the MSC label as of 2026, regardless of CoC status. Buyers requiring MSC for Scomber mackerel have no compliant Northeast Atlantic source currently. Evidence-based sourcing using ICES advisory data and IUU catch certificates is an alternative approach accepted by some retail audit frameworks.

Related guides

Insight

Histamine Science & HACCP Controls — deep guide →

Insight

Fat Content & Soxhlet Method — specification guide →

Insight

Trade Guide — HS codes, IUU, documents by destination →

Insight

Atlantic Mackerel Quota Crisis — MSC suspension explained →

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