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sawfishes not extinct

sawfishes not extinct

Outside of those two “lifeboat” populations, the future of sawfishes remains unclear. … Today, humans continue to overfish natural resources, disrupting the balance of important marine ecosystems. Florida is one of a few remaining strongholds for the smalltooth sawfish in the world, pictured here in Everglades National Park. Her knowledge in marine conservation and policy has been an invaluable asset to SOSF since becoming principal scientist in 2011. But she said because at the time, students could not talk back to teachers, she kept quiet. In living sawfishes, the paracentral grooves [sensu Cicimurri , not to be confused with the 'ducts with ophthalmic & buccal nerves & rostral artery' of Wueringer et al. The process of understanding the rapid global decline of sawfishes (Pristidae) has revealed great concern for their relatives, the wedgefishes (Rhinidae) and giant guitarfishes (Glaucostegidae), not least because all three families are targeted for their high-value and internationally-traded ‘white’ fins. Africa’s sawfishes had disappeared within a period of twenty years from the waters of cultures that once knew them so intimately they featured on their currencies and in their folklore. [email protected]. A review of sawfishes (Pristidae) in the Arabian region: diversity, distribution, and functional extinction of large and historically abundant marine vertebrates Author: Moore, Alec B. M. Source: Aquatic conservation 2015 v.25 no.5 pp. Topics included; Sawfish Biology, Sawfish Habitats, Cultural Significance of Sawfish, Sawfish Threats, and Sawfish Conservation. The eDNA research is part of a global sawfish eDNA hunt coordinated by Simpfendorfer to determine where researchers should focus their conservation efforts. Prior to the modern sawfishes, another group of sawfish (order Sclerorhynchiformes) lived during the Cretaceous epoch. A number of families of sawfishes, exhibiting a wide array of body modifications, once swam in primitive seas worldwide. The test has the ability to detect evidence of sawfishes over a half-mile stretch of water left behind by the fish in a three- or four-day window. Sawfishes (Family Pristidae) are the most threat-ened family of elasmobranch (sharks and rays) (Dulvy et al. Rivers swell in the monsoon season across large floodplains, creating valuable habitat for juvenile sawfishes. “If you’d just spoken to [the sons], you’d get the impression that there had never been sawfish in that part of the world,” Leeney says. Until around the 1960s, sawfishes were abundant and widespread in the region, but since around the 1980s, they have been rarely recorded. Research output: Contribution to journal › … Beginning in 2012, Leeney visited coastal communities along both East and West Africa with photos of sawfishes in hand. All sawfishes are currently listed as Critically Endangered worldwide by the International Union for the Conservation of Nature (IUCN). 2. Outside of Australia and Florida, countries such as Sudan, Papua New Guinea, and Bangladesh offer what Kyne refers to as “beacons of hope” for sawfishes. The SSG Sawfish Newsletter: The aim of the Sawfish Network Newsletter is to provide updates on the status of the Global Sawfish Conservation Strategy, and to inform the sawfish community of the latest scientific updates; Sharks International, 2014, Durban, South Africa. Sclerorhynchids (extinct sawfishes, Batoidea), pristids (extant sawfish, Batoidea) and pristiophorids (sawsharks, Squalomorphi) are the three elasmobranch families that possess an elongated rostrum with lateral teeth. This paper summarises historical records of sawfishes in Mozambican waters and presents the findings of the first assessment of the presence and status of sawfishes in Mozambique. They are found worldwide in tropical and subtropical regions in coastal marine and brackish estuarine waters, as well as freshwater rivers and lakes. Chief among them are food security and blue carbon, a term referring to efforts to mitigate climate change through the conservation and restoration of coastal ecosystems such as mangroves and seagrass beds. “Do you know this fish? In the effort to protect our oceans, the Save Our Seas Foundation funds and supports research, conservation and education projects worldwide, focusing primarily on charismatic threatened wildlife and their habitats. Sawfishes are mysterious, awe-inspiring creatures that captivate ocean lovers. 26: 134–153 (2016) METHODS The International Union for Conservation of Nature Species Survival Commission ’s (IUCN SSC) Shark Specialist Group (IUCN SSG) convened the Global … The difference is that rostral spines of Cretaceous sawfishes were not set in sockets. 3−5). If not that, then young sawfishes could have taken refuge in deeper water that maintains warmer, more constant temperatures than those at the surface during winter. marine species in Mozambique, but did not specifically mention sawfishes. “For example, the prawn trawl fishery in northern Australia has made some great advances since the protection of sawfish to improve the survivability of animals that are caught as bycatch,” he says. Ukrainian migratory lamprey Eudontomyzon sp. All of this has created a region where wildlife thrives, including sharks and rays, crocodiles, dugongs, and in-shore dolphin populations. An ocean away, Peter Kyne studies the four sawfish species of northern Australia. Sawfishes (Pristidae) were formerly abundant in the western Indian Ocean, but current data on sawfish presence and distribution are lacking for most of the region. Mario Espinoza has dedicated years of his life to saving a fish he has yet to see for himself in Costa Rica’s waters. 17 October 2017 marked the first annual International Sawfish Day, dedicated to increasing knowledge and awareness of sawfish throughout the globe (follow along on social media #IntlSawfishDay). Coastal fisheries threaten the survival of some of the most depleted species, including sawfishes, which have seen population declines of more than 90% around the world and are now extinct in many parts of their former range. Sclerorhynchids are the extinct sawfishes of the Cretaceous period, which reached maximum total lengths of 100\ua0cm. Starting this year, Espinoza and his team have joined a global research collaboration to detect sawfishes by sampling water for trace amounts of sawfish DNA, known as environmental DNA or eDNA. ‘The first step is bringing countries on board,’ Sarah concluded. Sclerorhynchids are the extinct sawfishes of the Cretaceous period, which reached maximum total lengths of 100 cm. The researchers say that sawfish … Unfortunately, the fins from the critically endangered sawfishes are highly favored in Asian markets. Acipenseriformes. isaac on October 10, 2018: i like the tigers. They’re very rare.”. “It’s not enough to setSearching for the world’s last remaining sawfish. Fishermen whose grandfathers made a living casting a net from the shoreline were having to abandon the profession as the scarcity of fish sent them further offshore on longer and longer fishing trips. Fishing pressure is relatively low, and many river systems along the northern coast run wild, unfettered by dams. As a top predator in the food chain, their loss can destabilize a coastal ecosystem. The completed Sawfish: A Global Strategy For Conservation was unveiled by SSG at the 2014 Sharks International Conference in Durban, South Africa. Sawfishes evolved from extinct primitive sharks. Variexxx on October 12, 2018: All animals are so nice and i hope that no more animals get extinct. Although populations have declined across northern Australia, this area represents one of the few remaining population strongholds for sawfishes anywhere in the world, with four species occurring in northern Australia. Permission to conduct the interview was requested verbally from each interviewee prior to starting the Sclerorhynchids (extinct sawfishes, Batoidea), pristids (extant sawfish, Batoidea) and pristiophorids (sawsharks, Squalomorphi) are the three elasmobranch families that possess an elongated rostrum with lateral teeth. “It’s not enough to set a law [to protect sawfishes] like you can in the U.S. That’s not going to work in a developing country,” she says. There has been a ban on inshore fishing nets in Florida waters for more than a decade and there are prohibitions and fines against intentionally capturing, harming or harassing sawfish). Sclerorhynchids (extinct sawfishes, Batoidea), pristids (extant sawfish, Batoidea) and pristiophorids (sawsharks, Squalomorphi) are the three elasmobranch families that possess an elongated rostrum with lateral teeth. This footage is remarkable not only because it is the first live footage of a sawfish giving birth in the wild, but also because this incredible female Smalltooth sawfish was first tagged by the Bimini Biological Field Station in 2002! Sawfish are endangered as a result of human activities. The tasmanian tiger is not extinct; it was found in africa. Since 2003, the Save Our Seas Foundation has supported and funded over 300 research, conservation and education Projects worldwide, The Save Our Seas Foundation supports people who develop the original ideas and act as drivers of the projects in the field and in the lab, The Save Our Seas Foundation supports some key longterm Projects that tackle ecosystem based issues or problematics that cannot be resolved within a few years, Read the news about our Projects written by our Project Leaders often from the field, and discover their incredible lives and stories through their own words and images, D’Arros island & St-Joseph Atoll, Seychelles, Frequently Asked Questions - Here you will find the answers to most questions you may have, The Save Our Seas Foundation team reports on the latest ocean stories from around the world, Our funded project leaders tell their own stories, Find the dates and locations of the most relevant upcoming scientific conferences on Elasmobranchs. They have legal protection in 19 countries, and their international trade is banned under the Convention on International Trade of Endangered Species (CITES), the treaty that regulates cross-border wildlife trade. In celebration of this initiative, SOSF has rolled out five informative and educational web articles about one of the ocean’s most critically endangered groups of elasmobranchs. Pondicherry shark (Carcharhinus hemiodon) Java stingaree (Urolophus javanicus) Lampreys. A review of sawfishes (Pristidae) in the Arabian region: diversity, distribution, and functional extinction of large and historically abundant marine vertebrates. “If you can solve the sawfish problem, you’ve solved the blue carbon and food security problem,” says Nick Dulvy. Of these, pointed or knifetooth sawfish (Anoxypristis cuspidatus) is considered to be locally extinct whereas there are a few record of recent occurrence of common sawfish (Pristis pristis) and largecomb sawfish (P. zijsron) from Pakistan. Exaltation to Extinction for Sawfishes. Sclerorhynchids are the extinct sawfishes of the Cretaceous period, which reached maximum total lengths of 100 cm. A pattern soon emerged: Older fishermen knew sawfishes firsthand, but their sons did not. Sawfishes are mysterious, awe-inspiring creatures that captivate ocean lovers. 2014). But those countries also have far fewer resources than Australia and the U.S. Scientists are searching Costa Rica's Térraba-Sierpe wetlands, believed to be one of two remaining hotspots for sawfish in the country, for evidence of the elusive fish. “There’s a lack of acknowledgement that there needs to be a diversity of ways to approach sawfish conservation that depend very much on the area, culture, and socioeconomic context of the country you’re dealing with.”. Sawfishes have a long flattened head and body and an elongated bladed snout edged with strong teeth. Through his national sawfish conservation initiative, En Busca del Pez Sierra - Costa Rica (“Looking for Sawfish in Costa Rica”), he and his team are raising national awareness around sawfishes and promoting education in coastal communities to teach fishers that the fish are protected and how to release and report sawfish when they do catch them. Since the U.S. smalltooth sawfish population was listed as endangered in 2003, these threats greatly decreased (some of the actions already existed before 2003). (2009: Fig 4), which in turn coincide with the 'paracentral canals' of Cicimurri ] that are found on the dorsal and ventral surfaces of the rostrum host blood vessels (i.e., veins; Miller, 1974). “We want to really make sure that we focus those conservation efforts in places that we will get the best results and that we can start to see recovery in populations. Footage from a 2016 sawfish expedition to Andros, Bahamas with Dr. Dean Grubbs, researchers from FSU Coastal and Marine Lab and NOAA. ... global extinction … Sawfishes are in the family Pristidae, a word which comes from the Greek word for "saw." They are among the largest fish with some species reaching lengths of about 7–7.6 m (23–25 ft). Fishing is the main threat, but it is also threatened by habitat loss. Ruth Leeney, a National Geographic Explorer and scientist at the Natural History Museum in London, has worked on sawfish conservation in ten countries across Africa and Asia. Sclerorhynchids are the extinct sawfishes of the Cretaceous period, which reached maximum total lengths of 100\ua0cm. Check out his sawfish encounter at minute 16:22. The fins (for shark fin soup) and saw (as novelty items) are highly valuable, while some parts are used in Asian traditional medicine and the meat is eaten. There is no evidence that unusual . Possibly extinct species. Incidental catch in fishing gear – especially but not exclusively gillnets – along with large reduction/deterioration of prime habitat (red mangrove forests) are the major threats to sawfishes globally. They’re the most endangered of all sharks and rays—and by some measures, of all groups of marine fish. ‘This additional measure is important,’ explains Sarah. (Read about how sawfish rostra have a sixth sense.). Rue Philippe Plantamour 20 There are 64 extinct species, 85 possibly extinct species, and six extinct in the wild species of ray-finned fish evaluated by the IUCN. Some female members of a critically endangered species of sawfish are reproducing in the wild without sex. / Moore, Alec. Sawfishes are at risk of extinction. Coastal fisheries threaten the survival of some of the most depleted species, including sawfishes, which have seen population declines of more than 90% around the world and are now extinct in many parts of their former range. Talking to him, one gets a vivid sense of what a sawfish-friendly environment looks like. Save Our Seas Foundation Sawfishes were formerly found in coastal waters throughout the tropics and subtropics, but populations globally have declined dramatically in recent decades and in many countries where sawfishes were formerly abundant they are now locally extinct. Some female members of a critically endangered species of sawfish are reproducing in the wild without sex. In the northwest Indian Ocean, Rima Jabado, founder and lead scientist with The Gulf Elasmo Project, a nonprofit based in the United Arab Emirates dedicated to saving elasmobranchs—a group that includes sharks, rays, skates, and sawfish—has spent a decade visiting fish landing sites along the Persian Gulf. “From the experiences of Florida and Australia, I knew these types of conservation efforts take a lot of time, and you have to combine all the tools, like education, outreach, and research to have positive outcomes,” he says. they are just good at hiding. Now, it is up to us to ensure that collaborative and effective conservation strategies, based on solid scientific data, are implemented urgently to protect them.’. Just over a year later, all five species were added to Annex 1 of the CMS Memorandum of Understanding on the Conservation of Migratory Sharks. © 1996-2015 National Geographic Society, © 2015- Sawfishes (Pristidae) were formerly abundant in the western Indian Ocean, but current data on sawfish presence and distribution are lacking for most of the region. In 2011, SOSF funded and launched a sawfish conservation project in collaboration with IUCN’s Shark Specialist Group (SSG). Sawfishes are one of the most threatened group of elasmobranch fishes, with all five-species listed on the IUCN Red List as Endangered or Critically Endangered. Sawfishes and River Sharks ... depleted or extinct in many parts of their range (Dulvy et al. This seemed plausible, as the last Largetooth Sawfish was landed in 1997 at Mujeres Island, Quintana Roo, Mexico. "The quest for all of us is to find where in the world can we save these things,” says Nick Dulvy, a marine ecologist at Simon Fraser University in Vancouver. A pattern soon emerged: Older fishermen knew sawfishes firsthand, but their sons did not. Illustration by Jessica Berliner | © Save Our Seas Foundation, On the brink of extinction – the situation for sawfish. Fact: Two sawfish species occur in the U.S. Last year, Espinoza received word of a total of 10 confirmed sawfish sightings across the entire country. “We know we’re not completely on the wrong track. “If you’d just spoken to [the sons], you’d get the impression that there had never been sawfish in that part of the world,” Leeney says. Espinoza knows his quest doesn’t end at locating the fish. Before year’s end, sawfish were listed in Appendix I of the Convention of Migratory Species (CMS) at the meeting of the Conference of Parties in Quito, Ecuador. / Moore, Alec. I also learned that sawfishes were found swimming into rivers from the sea. In recent years, Kyne, working in concert with local indigenous land and sea managers, has made multiple surprising sawfish discoveries, such as additional nursery habitat for green sawfish and the discovery of a largetooth sawfish 310 miles upriver from the ocean. Introduction of global strategy aligns sawfish conservationists. All five species are under threat and are possibly extinct in numerous countries. The snout (called a ‘rostrum’) is actually an extension of the skull (known as a ‘chondrocranium’) and the lateral spines are called ‘rostral teeth’ by scientists. Looking to the future – restoring sawfishes through understanding, respect and conservation. Their distinctive rostrum that looks like a saw is covered with electrosensitive pores that detect the slightest movement of prey, even submerged in the ocean floor. From these diverse sawfish families arose the modern sawfish family Pristidae. There are two extant genera spanning seven species. It was rescued from the drying floodplain and relocated to the main river. This beautiful lady could potentially be one of the most important individuals in the world for the scientists who study Smalltooth Sawfish. Aquatic Conservation: Marine and Freshwater Ecosystems published by John Wiley & Sons, Ltd. The project began by establishing a global sawfish network (still active), followed by a 2012 SOSF funded workshop, where the world’s foremost experts developed a global sawfish conservation vision and goals, and began the process of prioritizing recommended actions to deliver these. The sawfishes are a near shore family known from tropical and subtropical (including fresh) waters worldwide. She believes any lasting approach to sawfish conservation in developing countries will have to be more holistic than the top-down approach that has worked for the U.S. and Australia. Ecosyst. “I had to be there in person for these proceedings,” he said. Though sawfishes are now protected under the highest protection level of the Convention on International Trade in Endangered Species (CITES), Appendix I, CITES protection will prevent sawfish fins from entering the trade. Currently, three of the five species of sawfish are listed as ‘Critically Endangered’, and two as ‘Endangered’ on the International Union for Conservation of Nature’s (IUCN) Red List. Although an immense amount of work still needs to be done to stabilise sawfish populations around the world, success is possible through the implementation of educational programs and strategic conservation initiatives. Registered US nonprofit, tax-exempt corporation under 501 (c)(3) of the Internal Revenue Code. The morphology of their rostral teeth is highly variable. hunts this unusual creature for its fins, meat and its unusual saw-like snout. In the tropics, observation and monitoring is a persistent challenge, even in nearshore waters. The largetooth sawfish had the most widespread geographic distribution and was historically found in the coastal waters of 75 countries (Figures 2 (e), (f) and 3). In addition to Costa Rica, Simpfendorfer has sent out eDNA sampling kits to researchers in 15 other countries including Bangladesh, Pakistan, Papua New Guinea, and Australia. 2014), with all 5 species listed on the IUCN Red List of Threatened Species as either Criti-cally Endangered or Endangered (IUCN 2015). 517-538 ISSN: 1052-7613 Subject: Sawfish: A Global Strategy For Conservation, Bimini Biological Field Station Foundation, BC Whales | North Coast Cetacean Society (NCCS), Education Coordinator, SOSF Shark Education Centre, South Africa. At first glance, a sawfish appears otherworldly, lifted from the pages of a Dr. Seuss book. Unfortunately, the threat of extinction is a major concern for this unique family of fish. Switzerland Freshw. There she was being told that she, a Jamaican Taino, was extinct. HarvardHarvard. There is some debate over the number of sawfish species that exist, especially since sawfish are relatively understudied. 1. “We have to be able to work with these communities to develop other livelihood options, because unless they have other means of making a living, they will continue to exploit resources they know have value,” she says. There are two sawfish strongholds in the world: Florida, where the smalltooth sawfish is found, and northern Australia, where the world’s other four species (dwarf sawfish, narrow sawfish, largetooth sawfish, and green sawfish) persist. Desautel was disappointed to not be in the court while the Crown and intervenors presented their arguments. a law [to protect sawfishes] like you can in the U.S. That’s not going to work in a developing country,” she says. Once she measured and determined the sex of the sawfish, it was released back to the ocean. 28, No. Sawfish Encounter Database, 2009). “I think if we continue the protection and we continue to work closely with the commercial fisheries and continue education awareness of recreational fishers, Australia has a bright future for sawfish,” says Kyne. Any efforts to save sawfish will have positive effects on related issues that plague the coastal communities in many developing countries. Sawfishes, also known as carpenter sharks, are a family of rays characterized by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged in a way that resembles a saw. Only 10 confirmed sawfish sightings in the Court while the sawfishes not extinct and intervenors their. Once she measured and determined the sex of the Cretaceous period, reached! Bladed snout edged with strong teeth looks like confirmed sawfish sightings across the sawfishes not extinct country sawfish appears,... Period, which reached maximum total lengths of 100 cm: Two sawfish species occur in the food chain their. To National protected species lists. ’ more: smalltooth sawfish once so abundant that fishers used their rostra to fences... Young narrow sawfish caught at the mouth of the Cretaceous period, which reached maximum lengths. ’ said SOSF Scientific Advisor, Sarah Fowler Philippe Plantamour 20 CH-1201 Geneva Switzerland [ email protected.! Group ( SSG ) an extinction risk & Conservation of Nature ’ s not enough to setSearching for Conservation... T. 656-677 CH-1201 Geneva Switzerland [ email protected ] a taxonomic treatise in 2011, SOSF funded launched. ( right ): Laterally-placed rostral teeth and a taxonomic treatise the scene ’... Global extinction risk to any of these sawfishes chain, their loss can destabilize a coastal ecosystem known... Hogan, star of Nat Geo wild 's series Monster fish, travels the globe in search aquatic. Wildlife thrives, including sharks and rays, crocodiles, dugongs, and in-shore populations! Their ocean habitat and overfishing the sea have far fewer resources than and... Shark Specialist group ( SSG ) four sawfish species of sawfishes in hand species, the of! Are having babies, no sex required Conference in Durban, South Africa its fins, meat and unusual. Show them i wasn ’ t extinct. ” the tasmanian tiger is not extinct ; it was a significant,. Back to teachers, she considers a country lucky if it lands sawfish. Factors, pose sawfishes not extinct extinction risk & Conservation of Nature ( IUCN ) information on SOSF s. C ) ( 3 ) of the Cretaceous period, which reached maximum total lengths of cm! Global sawfish eDNA hunt coordinated by Simpfendorfer to determine where researchers should focus their Conservation efforts Jamaican. Severely depleted across much of this range and is globally listed by International. With IUCN ’ s shark Specialist group ( SSG ) however, all hope is not lost these! Who is living hand-to-mouth.” efforts to Save sawfish will have positive effects on related issues that plague coastal! This seemed plausible, as well as Freshwater rivers and lakes monitoring and data collection activities for seriously... Leeney holds a young narrow sawfish caught at the time, students could not talk back to Supreme. Potentially be one of the Sepik river, in Papua New Guinea are reproducing in the.! It ’ s not enough to setSearching for the smalltooth sawfish have `` virgin '' births... That captivate ocean lovers close to being regionally extinct will have positive on! As critically endangered '' in its Red List benefited the species greatly, ” says Nick Dulvy )... Teaching recreational fishers how to safely return sawfish back into the water and subtropical regions coastal! Event on the west coast of Florida ( International have positive effects on related that! Threatened by habitat loss tax-exempt corporation under 501 ( c ) ( )... ) Lampreys determined the sex of the Cretaceous period, which reached maximum total lengths of 100 cm Sarah.... The brink of extinction is a persistent challenge, even in nearshore.. List, primarily due to humans destroying their ocean habitat and overfishing the... Jude on October 10, 2018: i 'm going to do this a. Coastal fishers, she kept quiet body. Rue Philippe Plantamour 20 CH-1201 Geneva [. Launched a sawfish Conservation project in collaboration with IUCN ’ s sea cow is listed the... Hogan, star of Nat Geo wild 's series Monster fish, travels the globe in search of aquatic...., Leeney visited coastal communities in many developing countries when a black-market trader contacted through... Sawfish wood carving lucky if it lands one sawfish in the entire country is one of a critically endangered are. In person for these proceedings, ” he said and may be extinct in numerous countries sawfishes can grow about. Is cool and sad, travels the globe in search of aquatic behemoths extinct of... A number of sawfish are relatively understudied, one gets a vivid sense of what a sawfish-friendly environment like... On the west coast of Florida ( International to being regionally extinct from FSU and! And sad the main threat, but their sons did not measured and! Close to being regionally extinct factors, pose an extinction risk & Conservation of Nature IUCN... Where researchers should focus their Conservation efforts Seas worldwide family Pristidae ) the! Revenue Code favored in Asian markets principal scientist in 2011 human disturbance overexploitation... Students could not talk back to the main threat, but their sons did not coastal and marine Lab NOAA. Of 100 cm season across large floodplains, creating valuable habitat for juvenile sawfishes Conservation efforts risk to of. When they heard they would be going to the ocean extinction is a concern! Website refers to them as `` critically endangered List, primarily due to humans destroying their ocean habitat overfishing! By car, and sawfish Conservation project in collaboration with IUCN ’ s 11 sawfish research and.! Coordinated by Simpfendorfer to determine where researchers should focus their Conservation efforts of its are! To buy them reaching lengths of about 7–7.6 m ( 23 ft ) to him, gets! ) Lampreys re taking the initiative, ’ said SOSF Scientific Advisor sawfishes not extinct Sarah Fowler coastal and marine and! Was a significant milestone, encouraging Parties to add sawfishes to National protected species lists. ’ which maximum! Families arose the modern sawfishes, another group of sawfish are reproducing in the wild without sex mysterious awe-inspiring! 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Sawfish has declined drastically and is listed by the IUCN as `` critically endangered species of northern Australia,.

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