Monticellia ophisterni n. sp. is described from the swamp-eel Ophisternon aenigmaticum Rosen and Greenwood (Synbranchiformes: Synbranchidae) from Lake Catemaco, Veracruz, Mexico. The new species is placed into Monticellia because of the cortical position of the testes, ovary, and uterus. It differs from other Monticellia species (with the exception of Monticellia magna (Rego, Santos and Silva, 1974)) in the position of longitudinal musculature that crosses the vitelline follicles, making them paramuscular. The new species can be distinguished from M. magna—which possesses a similar number of testes (107–139), paramuscular vitelline follicles, and numerous gland cells distributed between the apex of the scolex and suckers—in the position of the genital pore (8–21% vs. 19–27%), in the presence of a weak internal longitudinal musculature, in the arrangement of the testes in the median field, and in the absence of a vaginal sphincter. This is the first proteocephalidean tapeworm reported from a synbranchid fish and the first species of Monticellia found in North America.
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December 2001
FUNCTIONAL MORPHOLOGY|
December 01 2001
MONTICELLIA OPHISTERNI N. SP. (CESTODA: MONTICELLIIDAE) FROM THE SWAMP-EEL OPHISTERNON AENIGMATICUM (SYNBRANCHIFORMES) FROM MEXICO
Tomáš Scholz;
Tomáš Scholz
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
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Alain de Chambrier;
Alain de Chambrier
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
* Department of Invertebrates, Natural History Museum Geneva, P.O. Box 6434, 1211 Geneva 6, Switzerland.
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Guillermo Salgado-Maldonado
Guillermo Salgado-Maldonado
Institute of Parasitology, Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
† Instituto de Biología, Universidad Nacional Autónoma de México (UNAM), A.P. 53-173, C.P. 04510 México.
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J Parasitol (2001) 87 (6): 1328–1333.
Citation
Tomáš Scholz, Alain de Chambrier, Guillermo Salgado-Maldonado; MONTICELLIA OPHISTERNI N. SP. (CESTODA: MONTICELLIIDAE) FROM THE SWAMP-EEL OPHISTERNON AENIGMATICUM (SYNBRANCHIFORMES) FROM MEXICO. J Parasitol 1 December 2001; 87 (6): 1328–1333. doi: https://doi.org/10.1645/0022-3395(2001)087[1328:MONSCM]2.0.CO;2
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