Resumen
The larval primary settlement and the changes originated during the metamorphosis of some species of Chilean bivalves, are comparatively studied, being described, the larval and post - larval stages from the veliconcha to late plantigrade. By observing in ropes "anchovetera" nets and plankton samples, in the mitiliculture of Codihué (41º 46'S; 73º 24'W), it was verified for Mytilus chilensis Hupé, 1854 and Aulacomya ater (Molina, 1782), primary settlement on the filamentous algae of genera Enteromorpha with an average size of 33º µ high, minimum average of definitive settlement, byssus positional changes, etc. Information concerning average and number of larval and post - larval attachment to different deep and inmersión period and morphological characters of larval and post - larval of: Bankia martensi Stempell, 1898 (Teredinidae), Pholas chiloensis (Molina, 1782) (Pholadidae) y Chlamys patriae Doello Jurado, 1918 (Pectinidae), are also given.
ARTIGOS
Fijacion primaria y variaciones morfologicas, durante la metamorfosis de algunos bivalvos chilenos
Juan Uribe Barichivith; Daniel López Stefoni
Universidad de Chile, Sede Osorno, Osorno, Chile
SYNOPSIS
The larval primary settlement and the changes originated during the metamorphosis of some species of Chilean bivalves, are comparatively studied, being described, the larval and post - larval stages from the veliconcha to late plantigrade. By observing in ropes "anchovetera" nets and plankton samples, in the mitiliculture of Codihué (41º 46'S; 73º 24'W), it was verified for Mytilus chilensis Hupé, 1854 and Aulacomya ater (Molina, 1782), primary settlement on the filamentous algae of genera Enteromorpha with an average size of 33º µ high, minimum average of definitive settlement, byssus positional changes, etc. Information concerning average and number of larval and post - larval attachment to different deep and inmersión period and morphological characters of larval and post - larval of: Bankia martensi Stempell, 1898 (Teredinidae), Pholas chiloensis (Molina, 1782) (Pholadidae) y Chlamys patriae Doello Jurado, 1918 (Pectinidae), are also given.
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Fechas de Publicación
-
Publicación en esta colección
06 Jun 2012 -
Fecha del número
1980