Short communication. First record of Torticaecum sp. (Trematoda: Didymozoidae) in the chaetognath Serratosagitta serratodentata (Krohn, 1853) from Caribbean waters |
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| Authors: | del CG del Prado-Rosas M; Alvarez-Cadena J; Segura-Puertas L; Lamothe-Argumedo R |
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| Institution: | Universidad Autónoma de Baja California Sur, Departamento de Biología Marina, Apdo. Postal 19-B, CP 23080, La Paz, Baja California Sur, México; Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Estación Puerto Morelos, Apdo. Postal 1152, CP 77501, Cancún, Quintana Roo, México; Universidad Nacional Autónoma de México, Instituto de Biología, Apdo. Postal 70-153, CP 04510, México, DF México; Corresponding author at Apartado Postal 1152, CP 77501, Cancún, Quintana Roo, México |
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| Abstract: | From samples collected in the Caribbean Sea during February, March, May and
August 1991, a total of 22 508 holoplanktonic chaetognaths were caught.
During the analyses of the samples, one non-cysted specimen of didymozoid
metacercaria was found in the coelom of the chaetognath
Serratosagitta serratodentata (prevalence 0.004%).
Owing to the lack of an authentic stomach and the morphology of the
intestine, this trematode seems to belong to the
Torticaecum larval type. This is the first report of
both the chaetognath species as a host and the geographical locality for
this parasite.
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