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Why sharks and rays keep our oceans alive | Louisa Graf | TEDxDeakin Uni Melbourne
TEDx Talks· 2025-12-22 17:17
Environmental Impact & Conservation - Over one-third (33%) of all shark and ray species are threatened with extinction worldwide, equating to over 400 species [3] - Declining shark and ray populations have been linked to the functional extinction of seagrass meadows in the Indian Ocean and threaten coral reefs in Australia [4][5] - Sharks and rays play a crucial role in regulating the ocean's ecosystem and maintaining its balance [15] Research & Biodiversity - There are over 50 species of sharks and rays in Port Philip Bay, Australia, many of which are meso predators [8] - Research focuses on tracking shark and ray movements using small trackers and underwater listening stations to understand their role in the marine ecosystem [11][12] - Muscle biopsies are used to analyze the diet of sharks and rays, providing insights into their ecological roles [13] Threats & Human Impact - Overfishing is the number one threat to sharks and rays globally [17] - Shark products are present in everyday items like pet food, supplements, and skincare [17][18] - Three billion people rely on marine and coastal resources for their livelihoods, highlighting the importance of ocean conservation [15] Ocean's Role - The ocean provides 50% of the air we breathe, emphasizing the critical role of marine ecosystems [15]
X @Nick Szabo
Nick Szabo· 2025-12-06 06:42
Industry Activity - Chinese fishing vessels are arriving off the Peruvian coast [1] - The vessels aim to deplete local waters of fish and marine life [1]
Falkland Islands-based Fortuna buys UK firm Ocean Fish
Yahoo Finance· 2025-11-28 14:10
Group 1 - Fortuna has acquired Ocean Fish Group, marking its entry into the UK fishing sector, with undisclosed financial terms [1] - The acquisition is expected to enhance Fortuna's strengths, diversify its business, and create synergies between the two companies [2] - Ocean Fish aims to expand its operations and strengthen its UK presence through this acquisition, gaining access to new products and global markets [3] Group 2 - Ocean Fish, previously majority-owned by the Lakeman family, has grown through acquisitions and joint ventures, with Leigh Genge remaining as CEO and minority shareholder [4] - Genge emphasized the alignment between the two firms and the potential for increased turnover, targeting £100 million by 2030, supported by a stronger supply chain [5] - A report highlighted concerns over the sustainability of UK fish stocks, with many being critically low or overexploited, indicating a challenging environment for the fishing industry [6]
Mediterranean, Black Sea fish stocks show recovery but threats persist, UN says
Reuters· 2025-11-28 11:31
Core Insights - Fishing pressure in the Mediterranean and Black Sea has significantly decreased over the past decade, indicating a positive trend in fishery management [1] - Despite the reduction in fishing pressure, over half of the assessed fish populations are still classified as overfished, highlighting ongoing sustainability challenges [1] - Climate change poses increasing threats to marine ecosystems, further complicating the recovery of fish populations [1] Industry Summary - The U.N. food agency's report emphasizes the need for continued efforts in fishery management to address overfishing and promote sustainable practices [1] - The report suggests that while progress has been made, the industry must remain vigilant against climate-related impacts that could undermine fish population recovery [1]