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Abstract:

A description of the tooth morphology of 234 jaws from the southern thorny skate Amblyraja doellojuradoi in the south-west Atlantic Ocean is given. Seven rows of teeth were selected and length and width of each tooth in these rows were measured. It was found that functional series corresponds to the third teeth and the average width and length of these teeth were compared among jaws, maturity stages, sexes and rows. Generalized linear models were used to determine the subset of measures that most contribute to explain the variability between groups. It was observed that males have longer teeth than females, but the teeth of females are wider. These differences are attributed to reproductive behaviour, in which males bite females to hold them during copulation. This study provides a description of the teeth of A. doellojuradoi, supplying a valuable tool for identification of species. In addition, the establishment of the main variations observed in the dentition, improves the understanding of the species' biology. © 2017 The Fisheries Society of the British Isles

Registro:

Documento: Artículo
Título:Description and quantitative analysis of the dentition of the southern thorny skate Amblyraja doellojuradoi
Autor:Delpiani, G.; Spath, M.C.; Deli Antoni, M.; Delpiani, M.
Filiación:Laboratorio de Biotaxonomía morfológica y molecular de peces (BIMOPE), Instituto de Investigaciones Marinas y Costeras (IIMyC) – CONICET, Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Dean Fúnes, Mar del Plata, Argentina
Palabras clave:generalized linear models; Rajidae; tooth morphology
Año:2017
Volumen:90
Número:6
Página de inicio:2255
Página de fin:2270
DOI: http://dx.doi.org/10.1111/jfb.13295
Título revista:Journal of Fish Biology
Título revista abreviado:J. Fish Biol.
ISSN:00221112
CODEN:JFIBA
Registro:http://digital.bl.fcen.uba.ar/collection/paper/document/paper_00221112_v90_n6_p2255_Delpiani

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Citas:

---------- APA ----------
Delpiani, G., Spath, M.C., Deli Antoni, M. & Delpiani, M. (2017) . Description and quantitative analysis of the dentition of the southern thorny skate Amblyraja doellojuradoi. Journal of Fish Biology, 90(6), 2255-2270.
http://dx.doi.org/10.1111/jfb.13295
---------- CHICAGO ----------
Delpiani, G., Spath, M.C., Deli Antoni, M., Delpiani, M. "Description and quantitative analysis of the dentition of the southern thorny skate Amblyraja doellojuradoi" . Journal of Fish Biology 90, no. 6 (2017) : 2255-2270.
http://dx.doi.org/10.1111/jfb.13295
---------- MLA ----------
Delpiani, G., Spath, M.C., Deli Antoni, M., Delpiani, M. "Description and quantitative analysis of the dentition of the southern thorny skate Amblyraja doellojuradoi" . Journal of Fish Biology, vol. 90, no. 6, 2017, pp. 2255-2270.
http://dx.doi.org/10.1111/jfb.13295
---------- VANCOUVER ----------
Delpiani, G., Spath, M.C., Deli Antoni, M., Delpiani, M. Description and quantitative analysis of the dentition of the southern thorny skate Amblyraja doellojuradoi. J. Fish Biol. 2017;90(6):2255-2270.
http://dx.doi.org/10.1111/jfb.13295