IUU Fishing and the Indonesian Sea Cucumber Trade: What Supply Chain Operators Need to Know

There is a moment in the history of any valuable fishery when demand outpaces the capacity of legal supply chains to keep pace. Sea cucumber reached that moment decades ago. The result is a global trade that operates simultaneously across two channels: one documented, regulated, and traceable; the other invisible by design, moving product across borders through a maze of mislabeling, laundering, and forged documentation. Understanding where these two channels intersect, and how to stay clearly within the first, is one of the most important compliance challenges in the modern sea cucumber trade.

Defining IUU Fishing and Why It Is Not a Single Problem

IUU stands for Illegal, Unreported, and Unregulated fishing. These three categories describe distinct, though often overlapping, forms of non-compliant fishing activity, and understanding the distinction matters for supply chain analysis.

Illegal fishing refers to harvesting in violation of national or international law: fishing in closed areas, harvesting CITES-listed species without permits, using prohibited gear, or operating without a valid license. Unreported fishing refers to catches that are not disclosed to the relevant fisheries management authority, either at all or in a distorted form. Unregulated fishing refers to activity in areas or for species where no management framework exists, conducted by vessels not bound by applicable international agreements.

IUU fishing is one of seven major threats to global maritime security listed by the United Nations. It can result in economic losses, environmental degradation, and economic harm for coastal communities, as well as a reduction in fish stocks. For sea cucumber specifically, the consequence is a fishery where legal and illegal product routinely enter the same supply chains at the processing or export stage, making origin verification a challenge that requires active documentation systems rather than passive assumptions.

The Scale of the Problem in Indonesian Waters

Indonesia is the world's largest sea cucumber exporting nation, and it is also one of the most documented sites of fisheries crime across all species categories. FAO reports that Indonesia experiences an annual loss of approximately IDR 30 trillion due to IUU fishing, not including potential losses such as decreased output of the fishing industry and socio-economic impacts for coastal fishers. This figure, cited in research published through the IOP Conference Series (2022), covers all fisheries sectors combined, but sea cucumber is among the most high-value and therefore most vulnerable categories within that total.

The pressure on Indonesian sea cucumber comes from multiple directions simultaneously. Domestic demand for income by coastal fishing communities creates incentives to harvest beyond legal quotas. International demand, particularly from Chinese markets, creates prices high enough to make the risk calculation attractive for those operating outside the regulatory framework. And the dispersed, archipelagic nature of Indonesian waters makes comprehensive monitoring difficult for regulatory authorities.

How IUU Sea Cucumber Enters Legal Supply Chains

The mechanism by which illegally harvested sea cucumber enters legal trade is well-documented in the research literature. The key process is laundering: illegally harvested product is mixed with legally sourced product at the processing stage, or exported through jurisdictions with less stringent documentation requirements, where it receives documentation that obscures its origin.

Phelps Bondaroff and Morrow, in their 2024 chapter "Sea Cucumber Crime" published in The World of Sea Cucumbers (Elsevier), document the specific mechanisms through which sea cucumber crime operates globally. The chapter traces the crime script from harvest through processing, export, and retail, identifying the points in the chain where illegal product most commonly enters legitimate trade flows. These entry points are consistent across geographies: they occur at the first aggregation point, where product from multiple sources is combined for processing, and at the export documentation stage, where species identity and harvest origin can be obscured.

A 2022 rapid assessment published by TRAFFIC, the global wildlife trade monitoring organization, found that thousands of kilograms of sea cucumber were available for sale online across major regional markets during an eleven-day monitoring period, with the presence of threatened and internationally regulated species identified as a significant concern. The assessment noted that the actual volume of trade was likely substantially higher than what was captured during the monitoring window.

The Specific IUU Risks in Sea Cucumber Trade

The most commercially consequential form of IUU activity in the sea cucumber trade is not harvesting crime alone. It is the systematic mislabeling of lower-value species as higher-value species at the point of export or retail. Anderson et al., published in Fish and Fisheries, documented the serial exploitation pattern in global sea cucumber fisheries, in which high-value species are progressively replaced by lower-value alternatives as stocks deplete, while product labels and prices often do not reflect this substitution. A purchase order specifying premium Holothuria scabra may in practice deliver a different species processed to resemble it, with no documentation discrepancy detectable without independent species authentication.

Beyond mislabeling, quota overruns represent a structural vulnerability specific to data-poor fisheries. Indonesian regulatory authorities issue annual harvest quotas for CITES-listed species based on Non-Detriment Findings. Product harvested above these allocations is illegal by definition, regardless of whether it is subsequently processed and exported with otherwise valid documentation. The dispersed, archipelagic nature of Indonesian waters makes comprehensive catch monitoring at the harvester level difficult to implement, and the incentive to exceed quotas is directly proportional to the market price of the species in question.

The third mechanism is transboundary laundering. Criminals frequently attempt to smuggle sea cucumbers illegally caught in one jurisdiction into neighboring jurisdictions in order to launder and re-export them to Southeast Asian markets, where they are sold for food and traditional medicine. This pattern has structural parallels across the Indo-Pacific, wherever regulatory frameworks vary significantly across short geographic distances. Product that is illegal at its point of origin acquires documentation that obscures that origin, and enters trade flows as apparently compliant product.

These three mechanisms operate independently and in combination. A single shipment may involve mislabeled species, unreported catches above quota, and transshipment through an intermediate jurisdiction before reaching its final destination. The documentation accompanying that shipment may be formally valid at every stage.

What Documentation Cannot Verify on Its Own

It is tempting to treat documentation compliance as the solution to IUU risk in the sea cucumber supply chain. Valid CITES permits, certificates of origin, and health certificates are necessary, but they are not sufficient. Documentation can be forged. Documentation can be accurate on its face but based on inaccurate underlying harvest records. And documentation can be legitimately issued for product that is genuinely mixed with undocumented material at the aggregation stage.

The research literature is clear on this point. Even well-designed documentation systems are vulnerable to capture by actors who understand how those systems work. The 2024 Elsevier chapter by Phelps Bondaroff and Morrow identifies documentation fraud as one of the primary mechanisms enabling sea cucumber crime to persist despite improved regulatory frameworks.

This is not an argument against documentation. It is an argument for documentation systems that are anchored in verifiable supplier relationships, facility-level accountability, and supplier track records that extend beyond any single shipment.

Supply Chain Due Diligence as Structural Protection

The most reliable protection against IUU exposure in a sea cucumber supply chain is not document collection. It is supplier qualification. The meaningful questions are not whether a supplier can produce a CITES permit, but whether that supplier has a documented and verifiable history of CITES compliance across multiple shipments and multiple years. Not whether a supplier claims to harvest within quota, but whether that supplier has an established relationship with Indonesian regulatory authorities and a track record that can be verified through those channels.

Suppliers who have operated professionally in the Indonesian sea cucumber export sector for extended periods have something that newer or less established operators do not have: a compliance history. That history is the most reliable predictor of whether the documentation accompanying any given shipment reflects the actual origin and composition of the product it covers.

Supply chains built on long-term supplier relationships with verifiable compliance histories are structurally less exposed to IUU risk than those built on transactional procurement from unverified sources, regardless of what documentation those sources produce.

Sepanjang's more than two decades of operation in the Indonesian sea cucumber sector represents exactly the kind of institutional compliance history that provides meaningful supply chain assurance. Our team welcomes conversations with organizations seeking to build or audit their Indonesian sea cucumber supply relationships.

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Sepanjang — Indonesia's Specialty Ocean Products Co. Sourcing high-quality sea cucumber directly from Indonesian waters for over 20 years.