A comparative morphological study of specimens of Ligophorus spp. from Mugil cephalus in western Mediterranean and the Black Sea localities has been carried out, indicating the presence of 2 distinct forms, i.e., Ligophorus chabaudi and Ligophorus cephali n. sp. A detailed description of the latter and an up-to-date redescription of L. chabaudi are provided. The existence of these 2 morphological species was additionally supported by principal component analysis based on 19 metric characters of 87 specimens arranged in samples defined by parasite species and geographical locality. The analysis indicated consistent differences between species but not between localities; this pattern was well supported by jackknife procedures. Linear discriminant analyses showed that the main metric differences between the 2 species were attributable to the lengths of the dorsal and ventral bars and to the uncinulus length; use of the first 2 variables was enough to allocate all specimens studied to either form. The erection of L. cephali n. sp. raises the number of sympatric Mediterranean species of Ligophorus on M. cephalus to 3. The known geographical ranges of these species are compared.
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June 2006
Research Article|
June 01 2006
DESCRIPTION AND MORPHOMETRICAL VARIABILITY OF A NEW SPECIES OF LIGOPHORUS AND OF LIGOPHORUS CHABAUDI (MONOGENEA: DACTYLOGYRIDAE) ON MUGIL CEPHALUS (TELEOSTEI) FROM THE MEDITERRANEAN BASIN
Nataliya Yu Rubtsova;
Nataliya Yu Rubtsova
Department of Biology, Zaporizhzhia National University, 66 Zhukovskogo Street, 69063 Zhaporizhzhia, Ukraine. j.a.balbuena@uv.es
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Juan A. Balbuena;
Juan A. Balbuena
Department of Biology, Zaporizhzhia National University, 66 Zhukovskogo Street, 69063 Zhaporizhzhia, Ukraine. j.a.balbuena@uv.es
* Marine Zoology Unit, Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, P.O. Box 22085, 46071 Valencia, Spain
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Volodimir L. Sarabeev;
Volodimir L. Sarabeev
Department of Biology, Zaporizhzhia National University, 66 Zhukovskogo Street, 69063 Zhaporizhzhia, Ukraine. j.a.balbuena@uv.es
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Isabel Blasco-Costa;
Isabel Blasco-Costa
Department of Biology, Zaporizhzhia National University, 66 Zhukovskogo Street, 69063 Zhaporizhzhia, Ukraine. j.a.balbuena@uv.es
* Marine Zoology Unit, Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, P.O. Box 22085, 46071 Valencia, Spain
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Louis Euzet
Louis Euzet
Department of Biology, Zaporizhzhia National University, 66 Zhukovskogo Street, 69063 Zhaporizhzhia, Ukraine. j.a.balbuena@uv.es
† Station Méditerranéenne de l'Environnement Littoral, Université de Montpellier II, 1 Quai de la Daurade, 34200 Sète, France
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J Parasitol (2006) 92 (3): 486–495.
Citation
Nataliya Yu Rubtsova, Juan A. Balbuena, Volodimir L. Sarabeev, Isabel Blasco-Costa, Louis Euzet; DESCRIPTION AND MORPHOMETRICAL VARIABILITY OF A NEW SPECIES OF LIGOPHORUS AND OF LIGOPHORUS CHABAUDI (MONOGENEA: DACTYLOGYRIDAE) ON MUGIL CEPHALUS (TELEOSTEI) FROM THE MEDITERRANEAN BASIN. J Parasitol 1 June 2006; 92 (3): 486–495. doi: https://doi.org/10.1645/GE-747R.1
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