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Additional records of metazoan parasites from Caribbean marine mammals, including genetically identified anisakid nematodes

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Abstract

Studies of marine mammal parasites in the Caribbean are scarce. An assessment for marine mammal endo- and ectoparasites from Puerto Rico and the Virgin Islands, but extending to other areas of the Caribbean, was conducted between 1989 and 1994. The present study complements the latter and enhances identification of anisakid nematodes using molecular markers. Parasites were collected from 59 carcasses of stranded cetaceans and manatees from 1994 to 2006, including Globicephala macrorhynchus, Kogia breviceps, Kogia sima, Lagenodelphis hosei, Mesoplodon densirostris, Peponocephala electra, Stenella longirostris, Steno bredanensis, Trichechus manatus. Tursiops truncatus, and Ziphius cavirostris. Sixteen species of endoparasitic helminthes were morphologically identified, including two species of acanthocephalans (Bolbosoma capitatum, Bolbosoma vasculosum), nine species of nematodes (Anisakis sp., Anisakis brevispiculata, Anisakis paggiae, Anisakis simplex, Anisakis typica, Anisakis ziphidarium, Crassicauda anthonyi, Heterocheilus tunicatus, Pseudoterranova ceticola), two species of cestodes (Monorygma grimaldi, Phyllobothrium delphini), and three species of trematodes (Chiorchis groschafti, Pulmonicola cochleotrema, Monoligerum blairi). The nematodes belonging to the genus Anisakis recovered in some stranded animals were genetically identified to species level based on their sequence analysis of mitochondrial DNA (629 bp of mtDNA cox 2). A total of five new host records and six new geographic records are presented.

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Acknowledgments

Marine mammal salvage and specimen collection were conducted under the authority of US Fish and Wildlife permits PRT-770191 and MA791721-2 (issued to the US Geological Survey, Sirenia Project) and a cooperative agreement with the Puerto Rico Department of Natural and Environmental Resources and US Virgin Islands Department of Planning and Natural Resources. We gratefully acknowledge the assistance of Caribbean Stranding Network participants and volunteers in the salvage and necropsy of the carcasses and the collection of parasite samples. We thank J. R. García-Sais, L. Bunkley-Williams and C. Ríos-Velázquez for comments on early drafts of this manuscript as part of one of the author’s (MMCLl) master’s thesis.

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Colón-Llavina, M.M., Mignucci-Giannoni, A.A., Mattiucci, S. et al. Additional records of metazoan parasites from Caribbean marine mammals, including genetically identified anisakid nematodes. Parasitol Res 105, 1239–1252 (2009). https://doi.org/10.1007/s00436-009-1544-4

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