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Abstract:

The larval development of Etropus longimanus and Symphurus trewavasae (Pleuronectiformes) off the Buenos Aires coast was described. Both species have an elongated body; however, as the total length of Etropus longimanus larvae increased, their body became deeper. In Symphurus trewavasae the intestine was noticeably coiled. In E. longimanus the notochord flexion started at 3.9 mm and was completed at 5.0 mm standard length (SL). Vertebral formation began in larvae with a 4.6 mm SL and the definitive number of vertebrae (34-39) was observed in larvae of 4.8 mm SL. The dorsal fin had two elongated rays and the pelvic fins had only one. In Symphurus trewavasae the notochord flexion began at 5.9 mm and was completed at 8.0 mm SL. Migration of the right eye was completed in the metamorphic stage at 10.5 mm SL. Vertebral column ossification finished in flexion larvae of 6-7 mm SL, with a total number of 48-50 vertebrae. Four elongated rays of similar length were observed on the dorsal fin.

Registro:

Documento: Artículo
Título:Larval development of Etropus longimanus (Paralichthyidae) and Symphurus trewavasae (Cynoglossidae) off the Buenos Aires coast, Argentina
Autor:Derisio, C.; Betti, P.; de Astarloa, J.M.D.; Machinandiarena, L.
Filiación:Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP), PO Box 175, B7602HSA Mar del Plata, Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Rivadavia 1917, 1033 Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, B7602AYL Mar del Plata, Buenos Aires, Argentina
Idioma: Inglés
Palabras clave:Early development; Flatfish; Larvae; Pleuronectiformes; SW Atlantic; Tonguefish; flatfish; larval development; vertebrate; Argentina; Atlantic Ocean; Atlantic Ocean (Southwest); Buenos Aires [Argentina]; Cynoglossidae; Etropus longimanus; Paralichthyidae; Pleuronectiformes; Symphurus trewavasae
Año:2012
Volumen:76
Número:1
Página de inicio:29
Página de fin:37
DOI: http://dx.doi.org/10.3989/scimar.2012.76n1029
Título revista:Scientia Marina
Título revista abreviado:Sci. Mar.
ISSN:02148358
CODEN:SCIME
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02148358_v76_n1_p29_Derisio

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Citas:

---------- APA ----------
Derisio, C., Betti, P., de Astarloa, J.M.D. & Machinandiarena, L. (2012) . Larval development of Etropus longimanus (Paralichthyidae) and Symphurus trewavasae (Cynoglossidae) off the Buenos Aires coast, Argentina . Scientia Marina, 76(1), 29-37.
http://dx.doi.org/10.3989/scimar.2012.76n1029
---------- CHICAGO ----------
Derisio, C., Betti, P., de Astarloa, J.M.D., Machinandiarena, L. "Larval development of Etropus longimanus (Paralichthyidae) and Symphurus trewavasae (Cynoglossidae) off the Buenos Aires coast, Argentina " . Scientia Marina 76, no. 1 (2012) : 29-37.
http://dx.doi.org/10.3989/scimar.2012.76n1029
---------- MLA ----------
Derisio, C., Betti, P., de Astarloa, J.M.D., Machinandiarena, L. "Larval development of Etropus longimanus (Paralichthyidae) and Symphurus trewavasae (Cynoglossidae) off the Buenos Aires coast, Argentina " . Scientia Marina, vol. 76, no. 1, 2012, pp. 29-37.
http://dx.doi.org/10.3989/scimar.2012.76n1029
---------- VANCOUVER ----------
Derisio, C., Betti, P., de Astarloa, J.M.D., Machinandiarena, L. Larval development of Etropus longimanus (Paralichthyidae) and Symphurus trewavasae (Cynoglossidae) off the Buenos Aires coast, Argentina . Sci. Mar. 2012;76(1):29-37.
http://dx.doi.org/10.3989/scimar.2012.76n1029