Widespread diversity deficits of coral reef sharks and rays

Author:

Simpfendorfer Colin A.12ORCID,Heithaus Michael R.3ORCID,Heupel Michelle R.24ORCID,MacNeil M. Aaron5ORCID,Meekan Mark6ORCID,Harvey Euan7ORCID,Sherman C. Samantha18ORCID,Currey-Randall Leanne M.4ORCID,Goetze Jordan S.910ORCID,Kiszka Jeremy J.3ORCID,Rees Matthew J.611ORCID,Speed Conrad W.6ORCID,Udyawer Vinay12ORCID,Bond Mark E.3ORCID,Flowers Kathryn I.3ORCID,Clementi Gina M.3ORCID,Valentin-Albanese Jasmine13ORCID,Adam M. Shiham14ORCID,Ali Khadeeja315ORCID,Asher Jacob16ORCID,Aylagas Eva16ORCID,Beaufort Océane17,Benjamin Cecilie18ORCID,Bernard Anthony T. F.1920ORCID,Berumen Michael L.21ORCID,Bierwagen Stacy4ORCID,Birrell Chico22,Bonnema Erika3,Bown Rosalind M. K.23ORCID,Brooks Edward J.24ORCID,Brown J. Jed25,Buddo Dayne26ORCID,Burke Patrick J.2728ORCID,Cáceres Camila3,Cambra Marta2930ORCID,Cardeñosa Diego3,Carrier Jeffrey C.31,Casareto Sara3ORCID,Caselle Jennifer E.32ORCID,Charloo Venkatesh33ORCID,Cinner Joshua E.34ORCID,Claverie Thomas35ORCID,Clua Eric E. G.3637ORCID,Cochran Jesse E. M.21ORCID,Cook Neil3839ORCID,Cramp Jessica E.4041ORCID,D’Alberto Brooke M.142ORCID,de Graaf Martin43ORCID,Dornhege Mareike C.44,Espinoza Mario2930ORCID,Estep Andy45,Fanovich Lanya39ORCID,Farabaugh Naomi F.3ORCID,Fernando Daniel23ORCID,Ferreira Carlos E. L.46,Fields Candace Y. A.324,Flam Anna L.47ORCID,Floros Camilla4849,Fourqurean Virginia5051ORCID,Gajdzik Laura2152ORCID,Barcia Laura García3,Garla Ricardo5354ORCID,Gastrich Kirk3ORCID,George Lachlan2ORCID,Giarrizzo Tommaso5556ORCID,Graham Rory5ORCID,Guttridge Tristan L.5758ORCID,Hagan Valerie59,Hardenstine Royale S.1521ORCID,Heck Stephen M.59ORCID,Henderson Aaron C.60ORCID,Heithaus Patricia3,Hertler Heidi60ORCID,Padilla Mauricio Hoyos6162ORCID,Hueter Robert E.6364ORCID,Jabado Rima W.165ORCID,Joyeux Jean-Christophe66ORCID,Jaiteh Vanessa6768ORCID,Johnson Mohini69,Jupiter Stacy D.70ORCID,Kaimuddin Muslimin6971,Kasana Devanshi3ORCID,Kelley Megan3ORCID,Kessel Steven T.72ORCID,Kiilu Benedict73ORCID,Kirata Taratau74,Kuguru Baraka75,Kyne Fabian76ORCID,Langlois Tim7778ORCID,Lara Frida7980ORCID,Lawe Jaedon81,Lédée Elodie J. I.1ORCID,Lindfield Steve82ORCID,Luna-Acosta Andrea83ORCID,Maggs Jade Q.84ORCID,Manjaji-Matsumoto B. Mabel85ORCID,Marshall Andrea86ORCID,Martin Lucy87ORCID,Mateos-Molina Daniel8889ORCID,Matich Philip58ORCID,McCombs Erin90,McIvor Ashlie2191ORCID,McLean Dianne692ORCID,Meggs Llewelyn81,Moore Stephen1ORCID,Mukherji Sushmita12,Murray Ryan93,Newman Stephen J.94ORCID,Nogués Josep87ORCID,Obota Clay9596ORCID,Ochavillo Domingo97ORCID,O'Shea Owen9899ORCID,Osuka Kennedy E.95100ORCID,Papastamatiou Yannis P.3ORCID,Perera Nishan22ORCID,Peterson Bradley13ORCID,Pimentel Caio R.66101ORCID,Pina-Amargós Fabián102103ORCID,Pinheiro Hudson T.104ORCID,Ponzo Alessandro105ORCID,Prasetyo Andhika106ORCID,Quamar L. M. Sjamsul107,Quinlan Jessica R.3,Reis-Filho José Amorim108ORCID,Ruiz Hector109ORCID,Ruiz-Abierno Alexei103ORCID,Sala Enric110ORCID,de-León Pelayo Salinas111112,Samoilys Melita A.95113ORCID,Sample William R.3ORCID,Schärer-Umpierre Michelle109ORCID,Schlaff Audrey M.1ORCID,Schmid Kurt54114ORCID,Schoen Sara N.3ORCID,Simpson Nikola115ORCID,Smith Adam N. H.116ORCID,Spaet Julia L. Y.117ORCID,Sparks Lauren118,Stoffers Twan119,Tanna Akshay23ORCID,Torres Rubén120ORCID,Travers Michael J.94ORCID,van Zinnicq Bergmann Maurits3121ORCID,Vigliola Laurent122ORCID,Ward Juney123ORCID,Warren Joseph D.13ORCID,Watts Alexandra M.46124ORCID,Wen Colin K.125ORCID,Whitman Elizabeth R.3ORCID,Wirsing Aaron J.126,Wothke Aljoscha39ORCID,Zarza-González Esteban127128ORCID,Chapman Demian D.358

Affiliation:

1. College of Science and Engineering, James Cook University, Townsville, QLD, Australia.

2. Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia.

3. Institute of Environment, Department of Biological Sciences, Florida International University, North Miami, FL, USA.

4. Australian Institute of Marine Science, Townsville, QLD, Australia.

5. Ocean Frontier Institute, Department of Biology, Dalhousie University, Halifax, NS, Canada.

6. Australian Institute of Marine Science, Perth, WA, Australia.

7. School of Molecular and Life Sciences, Curtin University, Bentley, WA, Australia.

8. Earth to Ocean Group, Biological Sciences, Simon Fraser University, Burnaby, BC, Canada.

9. School of Molecular and Life Sciences, Curtin University, Perth, WA, Australia.

10. Marine Science Program, Biodiversity and Conservation Science, Department of Biodiversity, Conservation and Attractions, Perth, WA, Australia.

11. Centre for Sustainable Ecosystems Solutions, School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, NSW, Australia.

12. Australian Institute of Marine Science, Darwin, NT, Australia.

13. School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, USA.

14. International Pole and Line Foundation–Maldives, Malé, Republic of Maldives.

15. Maldives Marine Research Institute, Ministry of Fisheries, Marine Resources and Agriculture, Malé, Republic of Maldives.

16. Red Sea Global, Department of Environmental Protection and Regeneration, AlRaidah Digital City, Riyadh, Saudi Arabia.

17. Kap Natirel NGO, Fort l’Olive, Guadeloupe, France.

18. Mahonia Na Dari Research and Conservation Centre, Kimbe, Papua New Guinea.

19. South African Institute for Aquatic Biodiversity, National Research Foundation, Makhanda, South Africa.

20. Department of Zoology and Entomology, Rhodes University, Makhanda, South Africa.

21. Red Sea Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.

22. Marine Conservation, Madagascar Program, Wildlife Conservation Society, Antananarivo, Madagascar.

23. Blue Resources Trust, Colombo, Sri Lanka.

24. Cape Eleuthera Institute, Cape Eleuthera, Eleuthera, The Bahamas.

25. Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha, Qatar.

26. Georgia Aquarium–IUCN Center for Species Survival, Atlanta, GA, USA.

27. School of Natural Sciences, Macquarie University, Sydney, NSW, Australia.

28. Bimini Biological Field Station, Bimini, Bahama.

29. Centro de Investigación en Ciencias del Mar y Limnología, Universidad de Costa Rica, San José, Costa Rica.

30. MigraMar, Olema, CA, USA.

31. Department of Biology, Albion College, Albion, MI, USA.

32. Marine Science Institute, University of California Santa Barbara, Santa Barbara, CA, USA.

33. Coastal Impact, Goa, India.

34. College of Arts, Society, and Education, James Cook University, Townsville, QLD, Australia.

35. Centre Universitaire de Formation et de Recherche de Mayotte, Dembeni, France.

36. Paris Sciences Lettres, Centre de Recherche Insulaire et Observatoire de l’Environnement, Opunohu Bay, Papetoai, French Polynesia.

37. Laboratoires d’Excellence Corail, Ecole Pratique des Hautes Etudes, Perpignan, France.

38. School of Biosciences, Cardiff University, Cardiff, UK.

39. Environmental Research Institute Charlotteville, Charlotteville, Trinidad and Tobago.

40. Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, QLD, Australia.

41. Sharks Pacific, Rarotonga, Cook Islands.

42. Oceans and Atmosphere, Commonwealth Scientific and Industrial Research Organization, Hobart, TAS, Australia.

43. Wageningen Marine Research, Wageningen University & Research, IJmuiden, Netherlands.

44. Graduate School for Global Environmental Studies, Sophia University, Tokyo, Japan.

45. Waitt Institute, La Jolla, CA, USA.

46. Reef Systems Ecology and Conservation Lab, Departamento de Biologia Marinha, Universidade Federal Fluminense, Rio de Janeiro, Brazil.

47. Marine Megafauna Foundation, Palm Beach, FL, USA.

48. Oceanographic Research Institute, Durban, South Africa.

49. TRAFFIC International, Cambridge, UK.

50. College of Arts, Science, and Education, Florida International University, North Miami, FL, USA.

51. Science Department, Georgia Jones-Ayers Middle School, Miami, FL, USA.

52. Division of Aquatic Resources, Department of Land and Natural Resources, Honolulu, HI, USA.

53. Centro de Biociências, Departmento de Botânica e Zoologia, Universidade Federal do Rio Grande do Norte, Brazil.

54. Beacon Development Company, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.

55. Instituto de Ciencias do Mar, Universidade Federal do Ceará, Fortaleza, Brazil.

56. Grupo de Ecologia Aquática, Espaço Inovação do Parque de Ciência e Tecnologia Guamá, Guamá, Pará, Brazil.

57. Bimini Biological Field Station Foundation, South Bimini, The Bahamas.

58. Saving the Blue, Cooper City, FL, USA.

59. Sharks and Rays Conservation Program, Mote Marine Laboratory, Sarasota, FL, USA.

60. The School for Field Studies, Center for Marine Resource Studies, South Caicos, Turks and Caicos Islands.

61. Pelagios Kakunjá, La Paz, Mexico.

62. Fins Attached, Colorado Springs, CO, USA.

63. Center for Shark Research, Mote Marine Laboratory, Sarasota, FL, USA.

64. OCEARCH, Park City, UT, USA.

65. Elasmo Project, Dubai, United Arab Emirates.

66. Departamento de Oceanografia e Ecologia, Universidade Federal do Espírito Santo, Vitória, Espírito Santo, Brazil.

67. Murdoch University, Murdoch, WA, Australia.

68. Centre for Development and Environment, University of Bern, Bern, Switzerland.

69. Operation Wallacea, Spilsby, Lincolnshire, UK.

70. Melanesia Program, Wildlife Conservation Society, Suva, Fiji.

71. Wasage Divers, Wakatobi & Buton, Southeast Sulawesi, Indonesia.

72. Daniel P. Haerther Center for Conservation and Research, John G. Shedd Aquarium, Chicago, IL, USA.

73. Kenya Fisheries Service, Mombasa, Kenya.

74. Ministry of Fisheries and Marine Resources, Kiritimati, Kiribati.

75. Tanzania Fisheries Research Institute, Dar Es Salaam, Tanzania.

76. University of the West Indies, Kingston, Jamaica.

77. School of Biological Sciences, University of Western Australia, Perth, WA, Australia.

78. The UWA Oceans Institute, University of Western Australia, Perth, WA, Australia.

79. Departamento de Pesquerias, Centro Interdisciplinario de Ciencias Marinas del IPN, La Paz, Baja California Sur, Mexico.

80. Pelagios Kakunjá, La Paz, Baja California Sur, Mexico.

81. Yardie Environmental Conservationists Limited, Kingston, Jamaica.

82. Coral Reef Research Foundation, Koror, Palau.

83. Departamento de Ecología y Territorio, Facultad de Estudios Ambientales y Rurales, Pontificia Universidad Javeriana, Bogotá, Colombia.

84. National Institute of Water and Atmospheric Research, Auckland, New Zealand.

85. Borneo Marine Research Institute, Universiti Malaysia Sabah, Kota Kinabalu, Sabah, Malaysia.

86. Marine Megafauna Foundation, West Palm, FL, USA.

87. Island Conservation Society Seychelles, Victoria, Mahé, Seychelles.

88. Emirates Nature - World Wide Fund for Nature, Dubai, United Arab Emirates.

89. College of Marine Sciences and Aquatic Biology, University of Khorfakkan, Sharjah, UAE.

90. Aquarium of the Pacific, Long Beach, CA, USA.

91. Marine and Environmental Sciences Centre/Aquatic Research Network, Regional Agency for the Development of Research, Technology and Innovation, Funchal, Madeira, Portugal.

92. Oceans Institute, University of Western Australia, Perth, WA, Australia.

93. Inland Fisheries Ireland, Dublin, Ireland.

94. Western Australian Fisheries and Marine Research Laboratories, Department of Primary Industries and Regional Development, Government of Western Australia, Hillarys, WA, Australia.

95. CORDIO East Africa, Mombasa, Kenya.

96. Blue Ventures, Mombasa, Kenya.

97. American Samoa Department of Marine and Wildlife Resources, Pago Pago, American Samoa.

98. The Centre for Ocean Research and Education, Gregory Town, Eleuthera, The Bahamas.

99. Department of Ocean Science, Memorial University, NL, Canada.

100. Department of Environment and Geography, University of York, York, UK.

101. Departamento de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, São Mateus, Espírito Santo, Brazil.

102. Blue Sanctuary-Avalon, Jardines de la Reina, Cuba.

103. Centro de Investigaciones Marinas, Universidad de La Habana, Habana, Cuba.

104. Center for Marine Biology, University of São Paulo, São Sebastião, São Paulo, Brazil.

105. Large Marine Vertebrates Research Institute Philippines, Puerto Princesa City, Palawan, Philippines.

106. Center for Fisheries Research, Ministry for Marine Affairs and Fisheries, Jakarta Utara, Indonesia.

107. Fisheries Department, Universitas Dayanu Ikhsanuddin, Bau Bau, Southeast Sulawesi, Indonesia.

108. Programa de Pós Graduação em Ecologia: Teoria, Aplicação e Valores, Instituto de Biologia, Universidade Federal da Bahia, Salvador, BA, Brazil.

109. HJR Reefscaping, Boquerón, Puerto Rico.

110. Pristine Seas, National Geographic Society, Washington, DC, USA.

111. Charles Darwin Research Station, Charles Darwin Foundation, Puerto Ayora, Galapagos Islands, Ecuador.

112. Save Our Seas Foundation Shark Research Center and Guy Harvey Research Institute, Nova Southeastern University, Dania Beach, FL, USA.

113. School of Pure and Applied Sciences, Pwani University, Kilifi, Kenya.

114. Thurgau Hunting and Fishing Administration, Frauenfeld, Switzerland.

115. SalvageBlue, Kingstown, Saint Vincent and the Grenadines.

116. School of Mathematical and Computational Sciences, Massey University, Auckland, New Zealand.

117. Evolutionary Ecology Group, Department of Zoology, University of Cambridge, Cambridge, UK.

118. Indo Ocean Project, Jln Toyapakeh DESA Toyapakeh, Nusa Penida, Bali, Indonesia.

119. Aquaculture and Fisheries Group, Wageningen University & Research, Wageningen, Netherlands.

120. Reef Check Dominican Republic, Santo Domingo, Dominican Republic.

121. Independent consultant, Hull, UK.

122. Institut de Recherche pour le Développement, UMR Entropie (IRD-UR-UNC-CNRS-IFREMER), Nouméa, New Caledonia, France.

123. Secretariat of the Pacific Regional Environment Programme, Apia, Samoa.

124. Department of Natural Sciences, Faculty of Science Engineering, Manchester Metropolitan University, Manchester, UK.

125. Department of Life Science, Tunghai University, Taichung, Taiwan.

126. School of Environmental and Forest Sciences, University of Washington, Seattle, WA, USA.

127. GIBEAM Research Group, Universidad del Sinú, Cartagena, Colombia.

128. Corales del Rosario and San Bernardo National Natural Park, Colombia.

Abstract

A global survey of coral reefs reveals that overfishing is driving resident shark species toward extinction, causing diversity deficits in reef elasmobranch (shark and ray) assemblages. Our species-level analysis revealed global declines of 60 to 73% for five common resident reef shark species and that individual shark species were not detected at 34 to 47% of surveyed reefs. As reefs become more shark-depleted, rays begin to dominate assemblages. Shark-dominated assemblages persist in wealthy nations with strong governance and in highly protected areas, whereas poverty, weak governance, and a lack of shark management are associated with depauperate assemblages mainly composed of rays. Without action to address these diversity deficits, loss of ecological function and ecosystem services will increasingly affect human communities.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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