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Diseases of Aquatic Organisms

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DAO 121:167-171 (2016)  -  DOI:

Occurrence of Amblyomma dissimile on wild crocodylians in southern Mexico

Pierre Charruau1,*, Jonathan Pérez-Flores2, J. Rogelio Cedeño-Vázquez2, David Gonzalez-Solis2, Giovany A. González-Desales3, Octavio Monroy-Vilchis3, Marco A. Desales-Lara4

1Centro del Cambio Global y la Sustentabilidad en el Sureste, A.C., Calle Centenario del Instituto Juárez s/n, Col. Reforma, CP 86080 Villahermosa, Tabasco, México
2Departamento de Sistemática y Ecología Acuática, El Colegio de la Frontera Sur, Unidad Chetumal, Avenida Centenario Km 5.5, CP 77014 Chetumal, Quintana Roo, México
3Centro de Investigación en Ciencias Biológicas Aplicadas, Universidad Autónoma del Estado de México, Instituto Literario No. 100, Col. Centro, CP 50000 Toluca, Estado de México, México
4Laboratorio de Ecología Animal, Departamento de Biología, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco 186, Col. Vicentina Iztapalapa, CP 09340 Ciudad de México, México
*Corresponding author:

ABSTRACT: Ticks are common ectoparasites of amphibians and reptiles but very few reports of such parasites on crocodylians exist worldwide. Herein, we report the first detailed observations of Amblyomma dissimile Koch, 1844 on the 3 crocodylian species present in Mexico, with the first report of tick parasitism on Crocodylus acutus and the second on Caiman crocodilus chiapasius. This is also the first report of A. dissimile in the state of Quintana Roo. Proportions of infested individuals found in this study ranged from 0.51 to 1.96%, suggesting that tick parasitism in crocodylians is likely opportunistic and occurs when individuals leave the water for terrestrial activities. Tick parasitism does not represent a major threat to crocodylians. The increasing habitat destruction/fragmentation and cattle expansion in southeastern Mexico, however, could increase tick populations and trigger tick parasitism and tick-borne diseases in herpetofauna and other vertebrates, including humans. Thus, studies are needed to better understand these relationships.

KEY WORDS: Tick · Ectoparasitism · Parasite · Spectacled caiman · American crocodile · Morelet’s crocodile · Caiman crocodilus · Crocodylus acutus · Crocodylus moreletii

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Cite this article as: Charruau P, Pérez-Flores J, Cedeño-Vázquez JR, Gonzalez-Solis D, González-Desales GA, Monroy-Vilchis O, Desales-Lara MA (2016) Occurrence of Amblyomma dissimile on wild crocodylians in southern Mexico. Dis Aquat Org 121:167-171.

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