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Whoriskey S.T, Duignan P.J, McClain A, Seguel M, Gulland F.M.D, Johnson S, Field C. Diagnoses and Treatment of Sarcocystis-associated Polyphasic Rhabdomyositis in California Sea Lions (Zalophus californianus). In pressJournal of American Veterinary Medical Association.

Seguel M*,George C, Maboni G, Sanchez S, Page-Karjian A, Wirth E, McFee W, Gottdenker N. Pathologic findings and causes of death in bottlenose dolphins (Tursiops truncatus) stranded along the Georgia Coast, USA (2007–2013). In pressDiseases of Aquatic Organisms.

Alvarado-Rybak M+, Toro-Cortes F, Abarca P, Paredes E, Espanol-Jimenez S, Seguel M*. 2020. Pathological Findings in Cetaceans Sporadically Stranded along the Chilean Coast. Frontiers in Marine Science

Müller A, Gutiérrez R, Seguel M, Monti G, Otth C, Bittencourt P, Sepúlveda P, Alabí A, Nachum-Biala Y, Harrus S. Molecular survey of Bartonella spp. in rodents from Valdivia and wild rodent-fleas from Guafo Island, Southern Chile. In press.

Maboni G, Seguel M, Lorton A, Sanchez S. 2020. Unique antimicrobial resistance patterns of animal-associated Acinetobacter spp. reveal high rate of multidrug resistance. Veterinary Microbiology 245: 10870210.1016/j.vetmic.2020.108702

Perez-Venegas D, Toro-Valdivieso C, Ayala F, Brito B, Iturra L, Arriagada M, Seguel M, Barrios C, Sepúlveda M, Oliva D, Cárdenas-Alayza S, Castro-Nallar C, Galban-Malagon C. 2020. Monitoring the occurrence of microplastic ingestion in Otariids along the Peruvian and Chilean coasts. Marine Pollution Bulletin. 153: 110966. 10.1016/j.marpolbul.2020.110966


Siyadatpanah A, Gholami S, Daryani A, Sarvi S, Sharif M, Seguel M., … Anvari, D. 2019. The Prevalence of Intestinal Helminths in Free-Ranging Canids of Mazandaran, Northern Iran. Iranian Journal of Parasitology 14: 563-571.

Seguel M, Beechler B, Coon C, Snyder P.W, Spaan J.M, Jolles A.E, Ezenwa V.O. Immune stability predicts tuberculosis infection risk in a wild mammal. Proceedings of the Royal Society B. 286: 20191401

Seguel M, Colegrove K.M, Field C, Whoriskey S, Norris T, Duignan PJ. 2019. Polyphasic rhabdomyositis in California sea lions (Zalophus californianus): pathology and potential causes. Veterinary Pathology.

Montalva F*, Perez-Venegas D, Gutierrez J, Seguel M. 2019. The contrasting hidden consequences of parasitism: Effects of a hematophagous nematode (Uncinaria sp.) in the development of a marine mammal swimming skills. Ecology and Evolution. *Mentored Student.

Maboni G, Seguel M, Lorton A, Berghaus R, Sanchez S. Canine infectious respiratory disease: new insights into the etiology and epidemiology of associated pathogens. PLOS One. 14(4): e0215817.

Seguel M, Perez-Venegas D, Gutierrez J, Crocker D.E, DeRango E.J.Hookworm parasitism elicits a stress response that allocates resources for immune response in South American fur seal (Arctocephalus australis). Physiological and Biochemical Zoology. 96: 326-338 .

Van Sant F, Hassan SM, Reavill D, McManamon R, Howerth E, Seguel M, Loftis K, Gregory CR, Ciembor P, Ritchie BW. 2019. Evidence of bromethalin toxicosis in feral San Francisco “Telegraph Hill” conures. PLOS One.


Seguel M, Montalva F, Perez-Venegas D, Gutierrez J, Paves H, Muller A, Valencia C, Howerth E, Mendiola V, Gottdenker N. Immune mediated hookworm clearance and survival of a marine mammal decreases with warmer ocean temperatures. eLife 7: 1-31.

Seguel M, Calderón K, Colegrove K, Adkesson M, Cárdenas-Alayza S, Paredes E. 2018. Helminth and Respiratory Mite Lesions in Pinnipeds from Punta San Juan, Peru. Acta Parasitologica. 63: 839-844.

Seguel M, Nadler S, Field C, Duignan PJ. Vasculitis and thrombosis due to the sea lion lungworm, Parafilaroides decorus, in a Guadalupe fur seal (Arctocephalus philippii townsendi). Journal of Wildlife Diseases. 54: 638-641.

Seguel M, Muñoz M, Perez-Venegas D, Muller A, Pavés H, Gottdenker N. 2018. The life history strategy of a fur seal hookworm in relation to pathogenicity and host health status. International Journal for Parasitology: Parasites and Wildlife. 7:251-260.

Seguel M, Paves H. 2018. Sighting Patterns and Habitat Use of Marine Mammals at Guafo Island, Northern Chilean Patagonia, during eleven summer seasons. Revista de Biologia Marina y Oceanografia. 53:237-250

Seguel M, Gutierrez J, Hernandez C, Montalva F, Verdugo C. 2018. Respiratory Mites (Orthohalarachne diminuata) and ß-hemolytic Streptococci Associated Bronchopneumonia Outbreak in South American Fur Seal Pups (Arctocephalus australis). Journal of Wildlife Diseases. 54:380-385.

Perez-Venegas D, Seguel M, Paves H, Pulgar J, Urbina M, Ahrendt C, Pulgar J. (2018). Ingestion of plastic microfibers in the South American fur seal (Arctocephalus australis (Zimmermann, 1783) in the Chilean Northern Patagonia. Marine Pollution Bulletin. 125(1-2):530-34.

Rodrigues P, Seguel M, Gutierrez J, Paves H, Verdugo C. Genetic connectivity of South American fur seals (Arctocephalus australis) across Atlantic and Pacific Oceans revealed by mitochondrial genes. Aquatic Conservation. 28:315-323.


Perez-Venegas D, Pavés H, Pulgar J, Ahrendt C, Seguel M, Galbán-Malagón. Coastal Debris Survey in a Pristine Island of the Chilean Northern Patagonia.(2017). Marine Pollution Bulletin. 125(1-2):530-34.

Stimmelmayr R, Rottstein D, Seguel M, Gottdenker N. (2017). Hepatic Lipomas and Myelolipomas in subsistence harvested bowhead whales (Balaena mysticetus), Barrow, Alaska: A case review 1980-2016. Diseases of Aquatic Organisms. 127(1):71-74.

Rodrigues P, Gutierrez J, Seguel M, Verdugo C. (2017). Complete mitochondrial genome of the South American fur seal (Arctocephalus australis). Mitochondrial DNA Part B. 2(2):871-72.

Perez-Venegas D, Pavés H, Pulgar J, Ahrendt C, Seguel M, Galbán-Malagón. Coastal Debris Survey in a Pristine Island of the Chilean Northern Patagonia. In press. Marine Pollution Bulletin.

Seguel M, Muñoz F, Paredes E, Paves H, Navarrete MJ, Schlatter R, Gottdenker N. (2017) Pathologic findings in wild black rats (Rattus rattus) captured at Guafo Island, Northern Chilean Patagonia. Journal of Comparative Pathology, 157(2): 163-173.

Seguel M, Muñoz M, Montalva F, Perez-Venegas D, Pavés H, Gottdenker N. (2017) Kelp and dolphin gulls cause perineal wounds in South American fur seals at Guafo Island, Chilean Patagonia. Royal Society Open Science. 4: 170638.

Seguel M and Gottdenker N. (2017) The diversity and impact of hookworm infections in wildlife. International Journal of Parasitology: Parasites and Wildlife. 6: 177-194.

Seguel M, Gottdenker N, Colegrove K, Johnson S, Struve C, Howerth E. (2017) Pathology and antigen tissue distribution in California sea lions (Zalophus californianus) naturally infected with hypervirulent Klebsiella pneumoniae. Veterinary Pathology. 54: 846-50.


Seguel M, Halaska B, Johnson S, Gottdenker N. (2016) Ectopic pregnancy in a California sea lion (Zalophus californianus). The Brazilian Journal of Veterinary Pathology. 9: 118-122

Seguel M, Muñoz F, Navarrete MJ, Howerth E, Paredes E, Gottdenker N. (2017) Hookworm infection in South American fur seal (Arctocephalus australis) pups: pathology and factors associated with host tissue damage and mortality. Veterinary Pathology. 54: 288-297.

Kent M, Glass EN, Haley AC, Shaikh LS, Seguel M, Blas-Machado U, Bishop TM, Holmes SP, Platt SR. (2016). Hydrocephalus secondary to obstruction of the lateral apertures in two dogs. Australian Veterinary Journal, 94: 415–422.

Seguel M, Muñoz F, Keenan A, DeRango G, Paves H, Gottdenker N, Muller A. (2016). Hematology and Serum Chemistry Parameters in Free-Ranging South American Fur Seals (Arctocephalus australis). Journal of Wildlife Diseases, 52: 663-668

Seguel M, Stimmelmayr R, Howerth E, Gottdenker N. (2016). Mast cell tumor and possible paraganglioma in a free-ranging walrus (Odobenus rosmarus). Journal of Wildlife Diseases. 52: 402-410.


Comolli J, Olsen H, Seguel M, Schnellbacher R, Fox A, Divers S, Sakamoto K. 2015. Ameloblastoma in a Wild Black Rat Snake (Pantherophis alleghaniensis). Journal of Veterinary Diagnostic Investigation, 27:536-539. Cover of the Journal (July 2015).

Seguel M, Howerth E., Ritter J, Paredes E., Colegrove K, Gottdenker N. 2015Encephalitozoonosis (Encephalitozoon sp.) in two South American fur seal (Arctocephalus australis) pups. Veterinary Pathology. 52:720-723.

Sepúlveda M, Seguel M, Alvarado-Rybak M, Verdugo C, Muñoz-Zanzi C, Tamayo R. 2015. Postmortem Findings in four South American Sea Lion (Otaria byronia) from an Urban Colony in Valdivia, Chile. Journal of Wildlife Diseases, 51:279-282.

Seguel M., Paredes E., Pavés H., & Gottdenker N. L. 2014. Capture‐induced stress cardiomyopathy in South American fur seal pups (Arctophoca australis gracilis). Marine Mammal Science, 30:1149-1157.


Article highlighted by Science magazine on “Science shots”

Seguel M, Pavés H, Paredes E, Schlatter R. 2013. Causes of mortality in South American fur seal (Arctocephalus australis) pups at Guafo Island, southern Chile (2004-2008). Marine Mammal Science, 29: 36-47.

Seguel M, Gonzalez D, Mathieu C, Hernandez C, Paredes E. 2012. Immunosuppressive syndrome in Juvenile Black-faced ibises (Theristicus melanopis melanopis) in southern Chile. Avian Diseases, 56: 611-615. .

Seguel M, Moroni M, Gomez M, Hernandez C and Paredes E. 2012. Bacterial meningoencephalitis in a Chimango Caracara (Milvago chimango). Brazilian Jornal of Veterinary Pathology, 5: 16-19.

Seguel M, Paredes E, Pavés H, Molina R, Henriquez F, De Groote F and Schlatter R. 2011. Pathological findings in South American fur seal pups (Arctocephalus australis) found dead at Guafo Island, Southern Chile. Journal of Comparative Pathology 145: 308-317. Cover of the Journal (November 2011)