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The State of Tuna Fishing: What You Need to Know

How To Protect The Ocean

Release Date: 09/09/2024

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In this episode of "How to Protect the Ocean," host Andrew Lewin dives into the intricate world of fisheries management, focusing specifically on tuna fishing. Joined by Dr. Victor Restrepo from the International Seafood Sustainability Foundation (ISSF), the discussion revolves around the recently released report titled "Snapshot of Large-Scale Tuna Per Seine Fishing Vessels." Andrew and Victor explore key topics such as the current state of tuna fishing, the number of fishing vessels in operation, and the countries they represent. Victor shares insights on the surprising stability in vessel numbers, expressing both concern over the lack of decrease and hope for future improvements in fishing practices. Tune in to learn what types of tuna are sustainable to eat and how we can all contribute to better ocean health through informed choices.

Website: https://www.iss-foundation.org/

Tuna Fishing Annual Report: https://www.iss-foundation.org/about-issf/what-we-publish/issf-documents/issf-2024-05-a-snapshot-of-the-large-scale-tropical-tuna-purse-seine-fishing-fleets-as-of-june-2024/

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The number of large-scale tuna purse seine fishing vessels has remained relatively stable over the years, consistently hovering around 650 vessels. This stability indicates a balance between fishing capacity and resource availability, which is essential for sustainable fisheries management.

Dr. Victor Restrepo, an expert in tuna fisheries management, noted that while the number of vessels has experienced slight fluctuations, there have been no significant increases or decreases. Over the past 12 years, the count has remained within the range of 640 to 670 vessels. This consistency is particularly noteworthy given the high operational costs associated with these large vessels, which can carry over 400 tons of tuna per trip and can cost between $30 to $40 million when fully equipped.

Several factors contribute to the stability in vessel numbers:

  1. Economic Considerations: The substantial investment required to build and maintain these vessels means that potential operators must carefully weigh costs against expected returns from fishing, which may limit the number of new entrants into the industry.

  2. Resource Limitations: Tuna fisheries are governed by quotas and regulations established by Regional Fishery Management Organizations (RFMOs). These regulations help ensure that fishing efforts do not exceed sustainable levels, maintaining a balance between the number of vessels and the available tuna stocks.

  3. Conservation Measures: Organizations like the International Seafood Sustainability Foundation (ISSF) play a vital role in promoting sustainable practices within the industry. The ISSF has implemented conservation measures that restrict the construction of new vessels unless older ones are scrapped, helping to control fishing capacity.

  4. Market Demand: While the demand for tuna, particularly in the sashimi market, remains high, there is an increasing preference for sustainably sourced products. This shift in consumer behavior encourages fishing companies to adopt sustainable practices, influencing their operational decisions regarding fleet size.

  5. Monitoring and Compliance: The presence of observers on purse seine vessels, especially in tropical tuna fisheries, ensures compliance with regulations and helps monitor bycatch. This oversight can deter illegal fishing practices and promote responsible management of tuna stocks.

In summary, the relatively stable number of large-scale tuna purse seine fishing vessels reflects a complex interplay of economic, regulatory, and market factors. While this stability is a positive sign for sustainable fisheries management, ongoing efforts are necessary to ensure that tuna populations remain healthy and that fishing practices continue to evolve in response to environmental and market demands.

Understanding Tuna Fisheries Management

Tuna fisheries management is a complex and multifaceted issue involving various stakeholders, including scientists, fishing companies, processing companies, and regulatory bodies. In a recent episode of the "How to Protect the Ocean" podcast, Dr. Victor Restrepo from the International Seafood Sustainability Foundation (ISSF) provided valuable insights into the current state of tuna fisheries, the challenges they face, and the efforts being made to ensure sustainability.

The Importance of Tuna Species

Tuna is a significant fishery resource, comprising three main species of bluefin tuna and 23 stocks of major commercial tunas. Although bluefin tuna accounts for only 1% of the total catch, it generates 99% of the media attention due to its high market value, particularly in the sashimi market. An individual bluefin tuna can fetch prices as high as $70,000 to $100,000, leading to illegal fishing and overfishing in the past. However, since 2009, management practices have improved, and many stocks are showing signs of recovery.

Fishing Methods and Bycatch Concerns

The primary method for catching tuna is purse seining, where a large net encircles a school of fish, allowing for significant catches. While this method is efficient, it has raised concerns about bycatch, particularly in the Eastern Pacific Ocean, where dolphins often associate with tuna schools. The podcast highlighted the importance of distinguishing between different fishing practices and their impacts, noting that not all tuna fisheries face the same challenges.

Regulatory Framework and Challenges

Tuna fisheries are managed by Regional Fishery Management Organizations (RFMOs), which are responsible for setting quotas and regulations. However, a significant challenge arises from the fact that many vessels are authorized to fish in multiple RFMOs, complicating global management efforts. Dr. Restrepo expressed frustration over the lack of a unified system to manage fishing capacity across different regions, which can lead to overcapacity and increased fishing pressure.

The Role of ISSF and Market Influence

The ISSF plays a crucial role in promoting sustainable tuna fishing practices by collaborating with processing companies to implement science-driven conservation measures. These measures aim to reduce bycatch, limit the use of harmful fishing gear, and ensure that new vessels are not added without scrapping older ones. The podcast emphasized the importance of market demand in driving these changes, as processing companies are increasingly committed to sourcing tuna from sustainable fisheries.

Consumer Awareness and Action

One of the key takeaways from the episode is the role of consumers in promoting sustainable fishing practices. By becoming more knowledgeable about tuna fisheries and making informed purchasing decisions, consumers can support responsible fisheries and encourage better practices within the industry. Dr. Restrepo highlighted that education is the first step, and consumers can reward fisheries that are doing well while avoiding those that are not.

Conclusion

Tuna fisheries management is a complex issue that requires collaboration among various stakeholders, including scientists, regulatory bodies, and the fishing industry. While there have been significant improvements in management practices and the recovery of certain stocks, challenges remain, particularly regarding overcapacity and bycatch. Organizations like the ISSF are working to bridge the gap between science and industry, promoting sustainable practices that benefit both the environment and the economy. As consumers, we have the power to influence these practices through our choices, making it essential to stay informed and engaged in the conversation about tuna fisheries and ocean conservation.

Consumer awareness and education play a crucial role in promoting sustainable fishing practices, particularly in the context of tuna fisheries. As highlighted in the podcast episode with Dr. Victor Restrepo, informed consumer choices can significantly impact the fishing industry by rewarding responsible fisheries and encouraging better management of tuna stocks.

The Importance of Consumer Knowledge

Dr. Restrepo emphasizes that education is the first step toward making informed decisions about seafood consumption. When consumers understand the complexities of tuna fishing, including the various species, fishing methods, and the environmental impacts associated with them, they are better equipped to choose sustainably sourced products. This knowledge empowers consumers to support fisheries that adhere to responsible practices, thereby incentivizing those fisheries to maintain sustainable operations.

Rewarding Responsible Fisheries

By opting for tuna products that are certified as sustainable or sourced from fisheries that follow best practices, consumers can create a demand for responsible fishing. This demand encourages fisheries to adopt better management strategies, such as reducing bycatch and adhering to quotas. As Dr. Restrepo notes, the involvement of processing companies that prioritize sustainability has led to significant changes in the industry. These companies often require their suppliers to meet specific conservation measures, which can include 100% observer coverage on fishing vessels, as seen in the Indian Ocean.

Encouraging Better Management of Tuna Stocks

The podcast also discusses the role of organizations like the International Seafood Sustainability Foundation (ISSF) in promoting science-driven management of tuna stocks. The ISSF works with processing companies to implement conservation measures that not only protect tuna populations but also enhance the overall health of marine ecosystems. When consumers support these initiatives through their purchasing decisions, they contribute to a larger movement that advocates for sustainable fisheries management.

Conclusion

In summary, consumer awareness and education are vital for fostering sustainable fishing practices. By making informed choices, consumers can reward fisheries that operate responsibly and encourage the adoption of better management practices for tuna stocks. As the podcast illustrates, the collective efforts of consumers, processing companies, and organizations like the ISSF can lead to meaningful change in the fishing industry, ensuring that tuna remains a viable resource for future generations.