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Abstract:

A genetic study to support morphometric analyses was used to improve the description and validate the Patagonian seahorse Hippocampus patagonicus (Syngnathidae) on the basis of a large number of specimens collected in the type locality (San Antonio Bay, Patagonia, Argentina). DNA sequence data (from the cytochrome b region of the mitochondrial genome) were used to differentiate this species from its relatives cited for the west Atlantic Ocean. Both phylogenetic and genetic distance analyses supported the hypothesis that H. patagonicus is a species clearly differentiated from others, in agreement with morphometric studies. Hippocampus patagonicus can be distinguished from Hippocampus erectus by the combination of the following morphometric characteristics: (1) in both sexes and all sizes of H. patagonicus, the snout length is always less than the postorbital length, whereas the snout length of H. erectus is not shorter than the postorbital length in the largest specimens; (2) in both sexes of H. patagonicus, the trunk length:total length (LTr:LT) is lower than in H. erectus (in female H. patagonicus: 0·27-0·39, H. erectus: 0·36-0·40 and in male H. patagonicus: 0·24-0·34, H. erectus: 0·33-0·43) and (3) in both sexes, tail length:total length (LTa:LT) in H. patagonicus is larger than in H. erectus (0·61-0·78 v. 0·54-0·64). © 2014 The Fisheries Society of the British Isles.

Registro:

Documento: Artículo
Título:Genetic evidence and new morphometric data as essential tools to identify the Patagonian seahorse Hippocampus patagonicus (Pisces, Syngnathidae)
Autor:González, R.; Dinghi, P.; Corio, C.; Medina, A.; Maggioni, M.; Storero, L.; Gosztonyi, A.
Filiación:Instituto de Biología Marina y Pesquera Almirante Storni, Escuela Superior de Ciencias Marinas, Universidad Nacional del Comahue, Güemes 1030, (8520) San Antonio Oeste, Río Negro, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia 1917, 5o piso, Ciudad Autónoma de Buenos Aires, Argentina
Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 4o piso, Pabellón II, (1428) Ciudad Autónoma de Buenos Aires, Argentina
Centro Nacional Patagónico (CONICET), Blvd. Alte. Brown s/n, (9120) Puerto Madryn, Chubut, Argentina
Palabras clave:Argentina; Phylogeny; Redescription; San Matías Gulf; Taxonomy; cytochrome b; mitochondrial DNA; animal; Argentina; article; bay; classification; female; genetics; histology; male; phylogeny; redescription; San Matías Gulf; Smegmamorpha; taxonomy; Argentina; phylogeny; redescription; San Matías Gulf; taxonomy; Animals; Argentina; Bays; Cytochromes b; DNA, Mitochondrial; Female; Male; Phylogeny; Smegmamorpha
Año:2014
Volumen:84
Número:2
Página de inicio:459
Página de fin:474
DOI: http://dx.doi.org/10.1111/jfb.12299
Título revista:Journal of Fish Biology
Título revista abreviado:J. Fish Biol.
ISSN:00221112
CODEN:JFIBA
CAS:cytochrome b, 9035-37-4
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221112_v84_n2_p459_Gonzalez

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Citas:

---------- APA ----------
González, R., Dinghi, P., Corio, C., Medina, A., Maggioni, M., Storero, L. & Gosztonyi, A. (2014) . Genetic evidence and new morphometric data as essential tools to identify the Patagonian seahorse Hippocampus patagonicus (Pisces, Syngnathidae). Journal of Fish Biology, 84(2), 459-474.
http://dx.doi.org/10.1111/jfb.12299
---------- CHICAGO ----------
González, R., Dinghi, P., Corio, C., Medina, A., Maggioni, M., Storero, L., et al. "Genetic evidence and new morphometric data as essential tools to identify the Patagonian seahorse Hippocampus patagonicus (Pisces, Syngnathidae)" . Journal of Fish Biology 84, no. 2 (2014) : 459-474.
http://dx.doi.org/10.1111/jfb.12299
---------- MLA ----------
González, R., Dinghi, P., Corio, C., Medina, A., Maggioni, M., Storero, L., et al. "Genetic evidence and new morphometric data as essential tools to identify the Patagonian seahorse Hippocampus patagonicus (Pisces, Syngnathidae)" . Journal of Fish Biology, vol. 84, no. 2, 2014, pp. 459-474.
http://dx.doi.org/10.1111/jfb.12299
---------- VANCOUVER ----------
González, R., Dinghi, P., Corio, C., Medina, A., Maggioni, M., Storero, L., et al. Genetic evidence and new morphometric data as essential tools to identify the Patagonian seahorse Hippocampus patagonicus (Pisces, Syngnathidae). J. Fish Biol. 2014;84(2):459-474.
http://dx.doi.org/10.1111/jfb.12299