Ayres, K.A. & Lara-Lizardi, F. & Roberts, C.M. & Pisco-Limones, W. & Klimley, P. & Jorgensen, S.J. & Gálvan-Magaña, F. & Hoyos-Padilla, M. & Ketchum, J.T. (2024)
Local diver knowledge reveals decline in scalloped hammerhead sharks (Sphyrna lewini) at seamounts in the southwestern Gulf of California. Marine Policy, 159, Article 105915
DOI: 10.1016/j.marpol.2023.105915

Beauvais, S.M.S. & Martínez-Rincón, R.O. & Ketchum, J.T. & Schaal, G. & Lluch-Cota, S.E. & Hoyos-Padilla, M. (2024)
Movement patterns and residency of silvertip sharks (Carcharhinus albimarginatus) in a remote archipelago of the Eastern Tropical Pacific. Environmental Biology of Fishes, in press
DOI: 10.1007/s10641-024-01523-4

Cabral, M.M.P. & Stewart, J.D. & Marques, T.A. & Ketchum, J.T. & Ayala-Bocos, A. & Hoyos-Padilla, E.M. & Reyes-Bonilla, H. (2023)
The influence of El Nino Southern Oscillation on the population dynamics of oceanic manta rays in the Mexican Pacific. Hydrobiologia, in press
DOI: 10.1007/s10750-022-05047-9

Devloo-Delva, F. & Burridge, C.P. & Kyne, P.M. & Brunnschweiler, J.M. & Chapman, D.D. & Charvet, P. & Chen, X. & Cliff, G. & Daly, R. & Drymon, J.M. & Espinoza, M. & Fernando, D. & Barcia, L.G. & Glaus, K. & González-Garza, B.I. & Grant, M.I. & Gunasekera, R.M. & Hernandez, S. & Hyodo, S. & Jabado, R.W. & Jaquemet, S. & Johnson, G. & Ketchum, J.T. & Magalon, H. & Marthick, J.R. & Mollen, F.H. & Mona, S. & Naylor, G.J.P. & Nevill, J.E.G. & Phillips, N.M. & Pillans, R.D. & Postaire, B.D. & Smoothey, A.F. & Tachihara, K. & Tillet, B.J. & Valerio-Vargas, J.A. & Feutry, P. (2023)
From rivers to ocean basins: The role of ocean barriers and philopatry in the genetic structuring of a cosmopolitan coastal predator. Ecology and Evolution, 13(2), Article e9837
DOI: 10.1002/ece3.9837

Gayford, J.H. & Whitehead, D.A. & Ketchum, J.T. & Field, D.J. (2023)
The selective drivers of allometry in sharks (Chondrichthyes: Elasmobranchii). Zoological Journal of the Linnean Society, in press
DOI: 10.1093/zoolinnean/zlac110

Dominguez-Sanchez, P.S. & Sirovic, A. & Fonseca-Ponce, I.A. & Zavala-Jimenez, A.A. & Rubin, R.D. & Kumli, K.R. & Ketchum, J.T. & Galvan-Magana, F. & Wells, R.J.D. & Stewart, J.D. (2023)
Occupancy of acoustically tagged oceanic manta rays, Mobula birostris, in Bahia de Banderas, Mexico. Marine Biology, 170(10), Article 128
DOI: 10.1007/s00227-023-04278-1

Le Croizier, G. & Lorrain, A. & Hoyos-Padilla, M. & Ketchum, J.T. & Amezcua-Martínez, F. & Le Loc'h, F. & Munaron, J.M. & Schaal, G. & Point, D. (2023)
Do marine protected areas influence mercury exposure? Insights from a shark community in the tropical Northeast Pacific. Environmental Pollution, 336, Article 122352
DOI: 10.1016/j.envpol.2023.122352

Whitehead, D.A. & Gayford, J.H. & Hoyos, E.M. & Shorter, N.M. & Galvan-Magana, F. & Ketchum, J.T. (2022)
Correction to: First description of a sex segregated aggregation of silky sharks (Carcharhinus falciformis) and the frequency and distribution of mating wounds off the tip of the Baja California Peninsula. Environmental Biology of Fishes, 105(7), 961
DOI: 10.1007/s10641-022-01304-x

Santana-Morales, O. & Zertuche-Chanes, R. & Hoyos-Padilla, E.M. & Sepulveda, C. & Becerril-Garcia, E.E. & Gallo-Reynoso, J.P. & Barba-Acuna, I. & Mejia-Trejo, A. & Aquino-Baleyto, M. & Sosa-Nishizaki, O. & Ketchum, J.T. & Beas-Luna, R. (2022)
An exploration of the population characteristics and behaviours of the white shark in Guadalupe Island, Mexico (2014-2019): Observational data from cage diving vessels. Aquatic Conservation, Marine and Freshwater Ecosystems, 31(12), 3480–3491
DOI: 10.1002/aqc.3734

Klimley, A.P. & Arauz, R. & Bessudo, S. & Chavez, E.J. & Chinacalle, N. & Espinoza, E. & Green, J. & Hearn, A.R. & Hoyos-Padilla, M.E. & Nalesso, E. & Ketchum, J.T. & Penaherrera-Palma, C. (2022)
Studies of the movement ecology of sharks justify the existence and expansion of marine protected areas in the Eastern Pacific Ocean. Environmental Biology of Fishes, 105, 2133–2153
DOI: 10.1007/s10641-021-01204-6

Klimley, A.P. & Ketchum, J.T. & Lara-Lizardi, F. & Papastamatiou, Y.P. & Hoyos-Padilla, E.M. (2022)
Evidence for spatial and temporal resource partitioning of sharks at Roca Partida, an isolated pinnacle in the eastern Pacific. Environmental Biology of Fishes, 105, 1963–1974
DOI: 10.1007/s10641-021-01206-4

Becerril-García, E.E. & Arauz, R. & Arellano-Martínez, M. & Bonfil, R. & Ayala-Bocos, A. & Castillo-Géniz, J.L. & Carrera-Fernández, M. & Charvet, P. & Chiaramonte, G. & Cisneros-Montemayor, A.M. & Concha, F. & Espinoza, M. & Ehemann, N.R. & Estupiñán-Montaño, C. & Fuentes, K. & Galván-Magaña, F. & Graham, R. & Hacohen-Domené, A. & Hazin, F. & Hernández, S. & Hoyos-Padilla, E.M. & Ketchum, J.T. & Kingma, I. & Méndez, O. & Oddone, M.C. & Pérez-Jiménez, J.C. & Petatán-Ramírez, D. & Polo-Silva, C. & Rangel, B. & Salinas-De-León, P. & Santana-Morales, O. & Zanella, I. & Vélez-Zuazo, X. & Godard-Codding, C.A.G. (2022)
Research priorities for the conservation of chondrichthyans in Latin America. Biological Conservation, 269, Artivle 109535
DOI: 10.1016/j.biocon.2022.109535

Lara-Lizardi, F. & Hoyos-Padilla, E.M. & Klimley, A.P. & Grau, M. & Ketchum, J.T. (2022)
Movement patterns and residency of bull sharks, Carcharhinus leucas, in a marine protected area of the Gulf of California. Environmental Biology of Fishes, 105, 1765–1779
DOI: 10.1007/s10641-022-01223-x

Rangel-Morales, J.M. & Rosales-Lopez, L.P. & Diaz-Jaimes, P. & Amezcua-Martinez, F. & Ketchum, J.T. & Hoyos-Padilla, M. & Corgos, A. (2022)
Regional philopatry of scalloped hammerhead sharks (Sphyrna lewini) to nursery areas in the Mexican Pacific. Hydrobiologia, 849(14), 3083–3099
DOI: 10.1007/s10750-022-04880-2

Whitehead, D.A. & Gayford, J.H. & Hoyos, E.M. & Shorter, N.M. & Galvan-Magana, F. & Ketchum, J.T. (2022)
First description of a sex segregated aggregation of silky sharks (Carcharhinus falciformis) and the frequency and distribution of mating wounds off the tip of the Baja California Peninsula. Environmental Biology of Fishes, 105(7), 953–960
DOI: 10.1007/s10641-022-01297-7

Whitehead, D.A. & Ayres, K.A. & Gayford, J.H. & Ketchum, J.T. & Galvan-Magana, F. & Christiansen, F. (2022)
Aerial photogrammetry of whale sharks (Rhincodon typus) in the Bay of La Paz, using an unoccupied aerial vehicle. Marine Biology, 169(7), Article 94
DOI: 10.1007/s00227-022-04085-0

Favela, J. & Hernandez, S. & Gonzalez-Armas, R. & Galvan-Magana, F. & Tripp-Valdez, A. & Hoyos-Padilla, M. & Ketchum, J.T. (2022)
A priority nursery area for the conservation of the scalloped hammerhead shark Sphyrna lewini in Mexico. Journal of Fish Biology, 101(6), 1623–1627
DOI: 10.1111/jfb.15227

Queiroz, N. & Humphries, N.E. & Couto, A. & Vedor, M. & da Costa, I. & Sequeira, A.M.M. & Mucientes, G. & Santos, A.M. & Abascal, F.J. & Abercrombie, D.L. & Abrantes, K. & Acuna-Marrero, D. & Afonso, A.S. & Afonso, P. & Anders, D. & Araujo, G. & Arauz, R. & Bach, P. & Barnett, A. & Bernal, D. & Berumen, M.L. & Lion, S.B. & Bezerra, N.P.A. & Blaison, A.V. & Block, B.A. & Bond, M.E. & Bonfil, R. & Bradford, R.W. & Braun, C.D. & Brooks, E.J. & Brooks, A. & Brown, J. & Bruce, B.D. & Byrne, M.E. & Campana, S.E. & Carlisle, A.B. & Chapman, D.D. & Chapple, T.K. & Chisholm, J. & Clarke, C.R. & Clua, E.G. & Cochran, J.E.M. & Crochelet, E.C. & Dagorn, L. & Daly, R. & Cortes, D.D. & Doyle, T.K. & Drew, M. & Duffy, C.A.J. & Erikson, T. & Espinoza, E. & Ferreira, L.C. & Ferretti, F. & Filmalter, J.D. & Fischer, G.C. & Fitzpatrick, R. & Fontes, J. & Forget, F. & Fowler, M. & Francis, M.P. & Gallagher, A.J. & Gennari, E. & Goldsworthy, S.D. & Gollock, M.J. & Green, J.R. & Gustafson, J.A. & Guttridge, T.L. & Guzman, H.M. & Hammerschlag, N. & Harman, L. & Hazin, F.H.V. & Heard, M. & Hearn, A.R. & Holdsworth, J.C. & Holmes, B.J. & Howey, L.A. & Hoyos, M. & Hueter, R.E. & Hussey, N.E. & Huveneers, C. & Irion, D.T. & Jacoby, D.M.P. & Jewell, O.J.D. & Johnson, R. & Jordan, L.K.B. & Joyce, W. & Daly, C.A.K. & Ketchum, J.T. & Klimley, A.P. & Kock, A.A. & Koen, P. & Ladino, F. & Lana, F.O. & Lea, J.S.E. & Llewellyn, F. & Lyon, W.S. & MacDonnell, A. & Macena, B.C.L. & Marshall, H. & McAllister, J.D. & Meyer, M.A. & Morris, J.J. & Nelson, E.R. & Papastamatiou, Y.P. & Penaherrera-Palma, C. & Pierce, S.J. & Poisson, F. & Quintero, L.M. & Richardson, A.J. & Rogers, P.J. & Rohner, C.A. & Rowat, D.R.L. & Samoilys, M. & Semmens, J.M. & Sheaves, M. & Shillinger, G. & Shivji, M. & Singh, S. & Skomal, G.B. & Smale, M.J. & Snyders, L.B. & Soler, G. & Soria, M. & Stehfest, K.M. & Thorrold, S.R. & Tolotti, M.T. & Towner, A. & Travassos, P. & Tyminski, J.P. & Vandeperre, F. & Vaudo, J.J. & Watanabe, Y.Y. & Weber, S.B. & Wetherbee, B.M. & White, T.D. & Williams, S. & Zarate, P.M. & Harcourt, R. & Hays, G.C. & Meekan, M.G. & Thums, M. & Irigoien, X. & Eguiluz, V.M. & Duarte, C.M. & Sousa, L.L. & Simpson, S.J. & Southall, E.J. & Sims, D.W. (2021)
Reply to: Shark mortality cannot be assessed by fishery overlap alone. Nature, 595(7866), E8–E16
DOI: 10.1038/s41586-021-03397-3

Whitehead, D.A. & Magana, F.G. & Ketchum, J.T. & Hoyos, E.M. & Armas, R.G. & Pancaldi, F. & Olivier, D. (2021)
The use of machine learning to detect foraging behaviour in whale sharks: a new tool in conservation. Journal of Fish Biology, 98(3), 865–869
DOI: 10.1111/jfb.14589

Palacios, M.D. & Hoyos-Padilla, E.M. & Trejo-Ramírez, A. & Croll, D.A. & Galván-Magaña, F. & Zilliacus, K.M. & O'Sullivan, J.B. & Ketchum, J.T. & González-Armas, R. (2021)
Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico. Scientific Reports, 11, Article 132
DOI: 10.1038/s41598-020-80506-8 PMCID: PMC7794486

Gomez-Garcia, M.D. & Blazquez-Moreno, M.D. & Stewart, J.D. & Leos-Barajas, V. & Fonseca-Ponce, I.A. & Zavala-Jimenez, A.A. & Fuentes, K. & Ketchum, J.T. (2021)
Quantifying the Effects of Diver Interactions on Manta Ray Behavior at Their Aggregation Sites. Frontiers in Marine Science, 8, Article 639772
DOI: 10.3389/fmars.2021.639772

Ayres, K.A. & Ketchum, J.T. & Gonzalez-Armas, R. & Galvan-Magana, F. & Hearn, A. & Elorriaga-Verplancken, F.R. & Hoyos-Padilla, E.M. & Kajiura, S.M. (2021)
The use of an unoccupied aerial vehicle to survey shark species over sand and rocky-reef habitats in a marine protected area. Journal of Fish Biology, 99(5), 1735–1740
DOI: 10.1111/jfb.14838

Ayres, K.A. & Ketchum, J.T. & González-Armas, R. & Galván-Magaña, F. & Hearn, A. & Elorriaga-Verplancken, F.R. & Martínez-Rincón, R.O. & Hoyos-Padilla, E.M. & Kajiura, S.M. (2021)
Seasonal aggregations of blacktip sharks Carcharhinus limbatus at a marine protected area in the Gulf of California, assessed by unoccupied aerial vehicle surveys. Marine Ecology Progress Series, 678, 95–107
DOI: 10.3354/meps13897

Aquino-Baleyto, M. & Leos-Barajas, V. & Adam, T. & Hoyos-Padilla, M. & Santana-Morales, O. & Galvan-Magana, F. & Gonzalez-Armas, R. & Lowe, C.G. & Ketchum, J.T. & Villalobos, H. (2021)
Diving deeper into the underlying white shark behaviors at Guadalupe Island, Mexico. Ecology and Evolution, 11, 14932–14949
DOI: 10.1002/ece3.8178

Cambra, M. & Lara-Lizardi, F. & Penaherrera-Palma, C. & Hearn, A. & Ketchum, J.T. & Zarate, P. & Chacon, C. & Suarez-Moncada, J. & Herrera, E. & Espinoza, M. (2021)
A first assessment of the distribution and abundance of large pelagic species at Cocos Ridge seamounts (Eastern Tropical Pacific) using drifting pelagic baited remote cameras. PLoS ONE, 16(11), Article e0244343
DOI: 10.1371/journal.pone.0244343

Coiraton, C. & Amezcua, F. & Ketchum, J.T. (2020)
New insights into the migration patterns of the scalloped hammerhead shark Sphyrna lewini based on vertebral microchemistry. Marine Biology, 167, Article 58
DOI: 10.1007/s00227-020-3668-0

Tholan, B. & Carlson, P. & Tortolero-Langarica, J.J.A. & Ketchum, J.T. & Trejo-Ramírez, A. & Aceves-Bueno, E. & Caselle, J.E. (2020)
The biodiversity of fishes at the Islas Marías Biosphere Reserve, Mexico, as determined by baited remote underwater video. Ciencias Marinas, 46(4), 227–252
DOI: 10.7773/cm.v46i4.3104

Nalesso, E. & Hearn, A. & Sosa-Nishizaki, O. & Steiner, T. & Antoniou, A. & Reid, A. & Bessudo, S. & Soler, G. & Klimley, P. & Lara, F. & Ketchum, J.T. & Arauz, R. (2019)
Movements of scalloped hammerhead sharks (Sphyrna lewini) at Cocos Island, Costa Rica and between oceanic islands in the Eastern Tropical Pacific. PLoS ONE, 14(3), Article e0213741
DOI: 10.1371/journal.pone.0213741

Queiroz, N. & Humphries, N.E. & Couto, A. & Vedor, M. & Costa, I. & Sequeira, A.M.M. & Mucientes, G. & Santos, A.M. & Abascal, F.J. & Abercrombie, D.L. & Abrantes, K. & Acuna-Marrero, D. & Afonso, A.S. & Afonso, P. & Anders, D. & Araujo, G. & Arauz, R. & Bach, P. & Barnett, A. & Bernal, D. & Berumen, M.L. & Lion, S.B. & Bezerra, N.P.A. & Blaison, A.V. & Block, B.A. & Bond, M.E. & Bonfil, R. & Bradford, R.W. & Braun, C.D. & Brooks, E.J. & Brooks, A. & Brown, J. & Bruce, B.D. & Byrne, M.E. & Campana, S.E. & Carlisle, A.B. & Chapman, D.D. & Chapple, T.K. & Chisholm, J. & Clarke, C.R. & Clua, E.G. & Cochran, J.E.M. & Crochelet, E.C. & Dagorn, L. & Daly, R. & Cortes, D.D. & Doyle, T.K. & Drew, M. & Duffy, C.A.J. & Erikson, T. & Espinoza, E. & Ferreira, L.C. & Ferretti, F. & Filmalter, J.D. & Fischer, G.C. & Fitzpatrick, R. & Fontes, J. & Forget, F. & Fowler, M. & Francis, M.P. & Gallagher, A.J. & Gennari, E. & Goldsworthy, S.D. & Gollock, M.J. & Green, J.R. & Gustafson, J.A. & Guttridge, T.L. & Guzman, H.M. & Hammerschlag, N. & Harman, L. & Hazin, F.H.V. & Heard, M. & Hearn, A.R. & Holdsworth, J.C. & Holmes, B.J. & Howey, L.A. & Hoyos, M. & Hueter, R.E. & Hussey, N.E. & Huveneers, C. & Irion, D.T. & Jacoby, D.M.P. & Jewell, O.J.D. & Johnson, R. & Jordan, L.K.B. & Jorgensen, S.J. & Joyce, W. & Daly, C.A.K. & Ketchum, J.T. & Klimley, A.P. & Kock, A.A. & Koen, P. & Ladino, F. & Lana, F.O. & Lea, J.S.E. & Llewellyn, F. & Lyon, W.S. & MacDonnell, A. & Macena, B.C.L. & Marshall, H. & Mcallister, J.D. & McAuley, R. & Meyer, M.A. & Morris, J.J. & Nelson, E.R. & Papastamatiou, Y.P. & Patterson, T.A. & Penaherrera-Palma, C. & Pepperell, J.G. & Pierce, S.J. & Poisson, F. & Quintero, L.M. & Richardson, A.J. & Rogers, P.J. & Rohner, C.A. & Rowat, D.R.L. & Samoilys, M. & Semmens, J.M. & Sheaves, M. & Shillinger, G. & Shivji, M. & Singh, S. & Skomal, G.B. & Smale, M.J. & Snyders, L.B. & Soler, G. & Soria, M. & Stehfest, K.M. & Stevens, J.D. & Thorrold, S.R. & Tolotti, M.T. & Towner, A. & Travassos, P. & Tyminski, J.P. & Vandeperre, F. & Vaudo, J.J. & Watanabe, Y.Y. & Weber, S.B. & Wetherbee, B.M. & White, T.D. & Williams, S. & Zarate, P.M. & Harcourt, R. & Hays, G.C. & Meekan, M.G. & Thums, M. & Irigoien, X. & Eguiluz, V.M. & Duarte, C.M. & Sousa, L.L. & Simpson, S.J. & Southall, E.J. & Sims, D.W. (2019)
Global spatial risk assessment of sharks under the footprint of fisheries. Nature, 572(7770), 461
DOI: 10.1038/s41586-019-1444-4

Couto, A. & Queiroz, N. & Ketchum, J.T. & Sampaio, E. & Furtado, M. & Cid, A.A. & Castro, J. & Rosa, R. (2018)
Smooth hammerhead sharks (Sphyrna zygaena) observed off the Portuguese southern coast. Environmental Biology of Fishes, 101(8), 1261–1268
DOI: 10.1007/s10641-018-0773-8

Lara-Lizardi, F. & Hoyos-Padilla, M. & Ketchum, J.T. & Galvan-Magana, F. (2018)
Range expansion of the whitenose shark, Nasolamia velox, and migratory movements to the oceanic Revillagigedo Archipelago (west Mexico). Journal of the Marine Biological Association of the United Kingdom, 98(4), 949–953
DOI: 10.1017/s0025315417000108

Ketchum, J.T. & Hearn, A. & Klimley, A.P. & Espinoza, E. & Peñaherrera, C. & Largier, J.L. (2014)
Seasonal changes in movements and habitat preferences of the scalloped hammerhead shark (Sphyrna lewini) while refuging near an oceanic island. Marine Biology, 161(4), 755–767
DOI: 10.1007/s00227-013-2375-5

Ketchum, J.T. & Hearn, A. & Klimley, A.P. & Peñaherrera, C. & Espinoza, E. & Bessudo, S. & Soler, G. & Arauz, R. (2014)
Inter-island movements of scalloped hammerhead sharks (Sphyrna lewini) and seasonal connectivity in a marine protected area of the eastern tropical Pacific. Marine Biology, 161(4), 939–951
DOI: 10.1007/s00227-014-2393-y

Ketchum, J.T. & Hearn, A. & Klimley, A.P. & Espinoza, E. & Peñaherrera, C. & Bessudo, S. & Soler, G. & Arauz, R. & Chapple, T.K. & Hoyos-Padilla, M. (2014)
Shark movements and the design of pelagic marine reserves [Abstract]. In Programm and Abstracts of Shark International, Durban 2014: 109

Hoyos-Padilla, E. & Ketchum, J.T. & Klimley, A. & Galván-Magaña, F. (2014)
Ontogenetic migration of a female scalloped hammerhead shark Sphyrna lewini in the Gulf of California. Animal Biotelemetry, 2, Article 17
DOI: 10.1186/2050-3385-2-17

Ketchum, J.T. & Galván-Magaña, F. & Klimley, A.P. (2013)
Segregation and foraging ecology of whale sharks, Rhincodon typus, in the southwestern Gulf of California. Environmental Biology of Fishes, 96(6), 779–795
DOI: 10.1007/s10641-012-0071-9

Bessudo, S. & Soler, G.A. & Klimley, A.P. & Ketchum, J.T. & Hearn, A. & Arauz, R. (2011)
Residency of the scalloped hammerhead shark (Sphyrna lewini) at Malpelo Island and evidence of migration to other islands in the Eastern Tropical Pacific. Environmental Biology of Fishes, 91(2), 165–176
DOI: 10.1007/s10641-011-9769-3

Ketchum, J.T. & Lozano, A.R. (2000)
Observations on the seasonal occurrences of whale sharks (Rhincodon typus Smith, 1828) in the southern Gulf of California [Abstract]. American Elasmobranch Society 16th Annual Meeting, 14–20 June 2000, La Paz, Mexico