File:Crassostrea nippona, Aquarium Finisterrae, Galiza.jpg

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Nombre Científico: Crassostrea nippona Nombre vulgar: Ostra japonesa Ejemplar de la exposición "Fabricantes de perlas" del Aquarium Finisterrae: <a href="http://www.casaciencias.org/aquarium/fabricantes-de-perlas.html">www.casaciencias.org/aquarium/fabricantes-de-perlas.html</a>

Biología: Son moluscos bivalvos que se encuentran en fondos costeros fijos tanto al sustrato duro, como semienterrados en arena. Son hermafroditas alternativos y tiene especial interés la secreción de sustancias químicas para la sincronización de la maduración sexual de machos y hembras. De esta forma sincronizan la expulsión de gametos al medio. Como en los demás miembros del género la expulsión de gametos es altamente termodependiente. Su sistema de bombeo de agua a través de su cuerpo le permite respirar y alimentarse a través de su complejo braquial. Alimentación: En su dieta constan todo tipo de microorganismos planctónicos, especialmente de microalgas. No son selectivos. Su dieta se reduce durante el verano ya que es la época en la que aumenta su actividad reproductiva. Distribución: Se distribuye por todo el Océano Pacifico, donde es cultivada como alimento, al igual que la Ostrea edulis y la Crassostrea gigas.

>> <a href="http://maps.google.com/maps/ms?ie=UTF8&hl=es&msa=0&msid=110893356096158038672.000001130534e7fcc76b8&ll=24.846565,73.828125&spn=131.163282,239.414063&z=2&om=1">Ver mapamundi</a> de los Fabricantes de perlas.
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This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 27 December 2009, 23:08 by Lmbuga. On that date, it was confirmed to be licensed under the terms of the license indicated.
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