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Fish Hosts and Conglutinates of the Pyramid Pigtoe (Pleurobema rubrum)

机译:金字塔形猪脚(Pleurobema rubrum)的鱼寄主和凝集物

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摘要

Little information exists on the life history of Pleurobema rubrum (Pyramid Pigtoe). We determined fish hosts and made observations on the conglutinate release of Pyramid Pigtoe. From 2003 to 2005, fourteen Pyramid Pigtoe individuals were collected during mussel sampling on the Green River, KY and held in captivity. In June of 2006, one captive female was observed releasing conglutinates (water temperature was 22.5 degrees C). Nine fish species were exposed to Pyramid Pigtoe glochidia. After 12-15 days, transformation of glochidia to juveniles occurred on 4 species from the family Cyprinidae: Cyprinella spiloptera (Spotfin Shiner), Erimystax dissimilis (Streamline Chub), Lythrurus fasciolaris (Scarlet Shiner), and Notropis photogenis (Silver Shiner). All 4 are potentially natural hosts and Spotfin Shiner appears to be the most suitable host fish for propagation purposes.
机译:关于红褐侧柏的生活史的资料很少。我们确定了鱼类寄主,并对金字塔形猪脚的粘质释放进行了观察。从2003年到2005年,在肯塔基州格林河市进行贻贝抽样时,收集了14只金字塔形的to头,并将其圈养。在2006年6月,观察到一名被俘的雌性释放出粘着物(水温为22.5摄氏度)。九种鱼类都暴露于Pigramid Pigtoe glochidia。 12-15天后,来自Cyprinidae科的4种物种发生了甲壳虫向幼虫的转化:Cyprinella spiloptera(Spotfin Shiner),Erimystax dissimilis(Streamline Chub),Lythrurus fasciolaris(Scarlet Shiner)和Notropis photogenis(Silver Shiner)。这4种都是潜在的天然寄主,Spotfin Shiner似乎是最适合繁殖的寄主鱼。

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