• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Molluscan Studies >Predator-Prey Interactions Between Lepsiella (Bedeva) Paivae(Gastropoda: Muricidae) and Katelysia Scalarina (Bivalvia: Veneridae)in Princess Royal Harbour, Western Australia
【24h】

Predator-Prey Interactions Between Lepsiella (Bedeva) Paivae(Gastropoda: Muricidae) and Katelysia Scalarina (Bivalvia: Veneridae)in Princess Royal Harbour, Western Australia

机译：西澳大利亚州皇家公主港的Lepsiella（Bedeva）Paivae（Gastropoda：Muricidae）和Katelysia Scalarina（Bivalvia：Veneridae）之间的捕食者-食饵相互作用

获取原文
获取原文并翻译 | 示例
       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

On a sandy beach at Shoal Bay in Princess Royal Harbour, Albany, southwestern Western Australia, lives a small muricid gastropod that feeds virtually monotonically on the overwhelmingly dominant resident bivalve Katelysia scalarina. Lepsiella paivae lives buried in the sand and attacks its prey within it. Because of its small size (<13 mm shell height), bivalve prey is also small and this study demonstrates a preference for K. scalarina of 5 mm shell length, i.e. juveniles. Laboratory experiments also suggested a possible preference for attack of the right valve. Lepsiella paivae can and does, however, attack larger prey (up to 15 mm shell length), but cannot consume them completely. A second visit to Princess Royal Harbour in the Austral winter, when there was no juvenile K. scalarina present, showed L. paivae to be attacking at the sand surface, also by drilling, the small (<4 mm) gastropod Hydrococcus brazieri (Hydrococcidae). SEM studies of experimentally determined drill holes of L. paivae show them to be of variable form, some straight sided, others bevelled (like a naticid) and <500 mu m in diameter. On this sheltered Southern Ocean beach, therefore, L. paivae has specialized to attack juvenile bivalves by burrowing after them. It can, however, attack other species opportunistically on the sand surface when seasonally favoured juvenile bivalve prey are not present.
机译：在西澳大利亚州西南部奥尔巴尼的皇家港口公主港浅滩湾的沙滩上，生活着一个小型菊苣腹足纲动物，几乎单调地以占主导地位的常驻双壳类双壳纲Katelysia scalarina为食。 Lepsiella paivae生活在沙子中，并攻击其中的猎物。由于双壳类猎物的体积小（<13 mm的壳高），因此它的体积也很小，这项研究表明对壳长为5 mm的K.scalarina（即幼鱼）的偏爱。实验室实验还表明，可能会偏爱正确的瓣膜。但是，小菜蛾可以而且确实会攻击更大的猎物（最大壳长15毫米），但不能完全消耗它们。在澳大利亚冬季，第二次访问皇家公主港时，没有幼稚的K. scalarina出现，这表明派瓦氏杆菌也正在通过钻进小（<4毫米）腹足纲腹足纲巴西球菌（Hydrococcidae）而攻击沙面）。 SEM对实验确定的Paivae钻孔的研究表明，钻孔具有可变的形式，有些是直边的，有些是斜角的（如斜线虫），直径小于500微米。因此，在这个庇护的南大洋海滩上，paivae专门研究了幼稚的双壳类，以挖它们为生。但是，如果不存在季节性偏爱的幼年双壳类猎物，它可以在沙面时机攻击其他物种。

著录项

相似文献

  • 外文文献
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号