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Actualidades Biológicas
versión impresa ISSN 0304-3584
Resumen
ARIAS-GALLO, Mauricio; JIMENEZ-SEGURA, Luz F. y DORADO, María del P.. LARVAL DEVELOPMENT OF PROCHILODUS MAGDALENAE (STEINDACHNER, 1879) (PISCES: PROCHILODONTIDAE), MAGDALENA RIVER, COLOMBIA. Actu Biol [online]. 2010, vol.32, n.93, pp.199-208. ISSN 0304-3584.
Morphological and morphometric descriptions of the larval development of Prochilodus magdalenae, from the Magdalena river, Colombia are provided. Specimens were obtained by induced spawning. This species produces very hydrated free eggs. The incubation period was short; it lasted 14 hours at 24 ºC after fertilization. Larvae are slightly developed at hatching, with relatively rapid larval development and an accentuated metamorphosis. Analysis of the morphometric data showed that some parts of the body of P. magdalenae do not grow proportionally.
Palabras clave : Colombia; larval development; Magdalena river; potamodromous; Prochilodus magdalenae.