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首页> 外文期刊>Journal of Parasitology >First records of known endoparasitic species of Pseudempleurosoma Yamaguti, 1965 (Monogenoidea: Dactylogyridae) from tetraodontid and rachycentrid fish off the northern coast of the Yucatan Peninsula, Mexico.
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First records of known endoparasitic species of Pseudempleurosoma Yamaguti, 1965 (Monogenoidea: Dactylogyridae) from tetraodontid and rachycentrid fish off the northern coast of the Yucatan Peninsula, Mexico.

机译：1965年从墨西哥尤卡坦半岛北部海岸的四齿类和长吻cent类鱼类中分离出已知的山口假单胞菌内寄生物种类的第一批记录（Monogenoidea：Dactylogyridae）。

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摘要

Monogenoideans infecting the rectum of the wild checkered puffer fish, Sphoeroides testudineus (Tetraodontidae), and the pyloric ceca of the cultured cobia, Rachycentron canadum (Rachycentridae), from the northern coast of the Yucatan Peninsula, Mexico, were morphologically identified as Pseudempleurosoma carangis Yamaguti, 1965 and Pseudempleurosoma gibsoni Santos, Mourao and Cardenas, 2001 (Dactylogyridae), respectively. Morphometric comparison between the paratypes of P. carangis and those from S. testudineus showed that the latter differ only in the length of the body, germarium, and dorsal anchors. Similarly, a small form of P. gibsoni based on body size was detected in the present study. These metric differences may be attributable to the host effect, i.e., S. testudineus/R. canadum versus Caranx lugubris (Carangidae) (type host of P. carangis) from Hawaii and Paralonchurus brasiliensis (Sciaenidae) (type host of P. gibsoni) from Brazil, or by the degree of maturity, or both. In view of these considerations, new illustrations and several supplemental observations for P. carangis and P. gibsoni are provided. The present findings also represent new geographical records, and new sites of infection, e.g., rectum and pyloric ceca, for species of Pseudempleurosoma, and the first known endoparasitic monogenoideans infecting tetraodontid and rachycentrid fishes in Mexico.
机译：感染了北海岸野生方格河豚 Sphoeroides testudineus （Tetraodontidae）以及培养的军曹鱼 Rachycentron canadum （Rachycentridae）的幽门盲肠的单基因动物在形态上将墨西哥尤卡坦半岛的“假单胞菌”定为山古假单胞菌，在1965年，在桑托斯，莫拉乌和卡尔德纳斯，2001年的“假单胞菌”（Dactylogyridae）。 P i亚型之间的形态计量学比较。香兰木和 S的香兰木。 testudineus 显示，后者仅在身体，细菌和背锚的长度上有所不同。类似地， P的小形式。在本研究中检测到基于身体大小的吉布斯奶酪。这些度量差异可归因于宿主效应，即S。睾丸/ R。 canadum 与来自夏威夷的 Caranx lugubris （Carangidae）（ P。carangis 的类型寄主）和 Baralonchurus brasiliensis （Sciaenidae）（类型（ P。gibsoni ）的寄主，或按成熟程度或两者兼而有之。考虑到这些考虑，对P进行了新的说明和一些补充性的观察。香兰木和 P。提供了吉布斯酒。目前的发现还代表了新的地理记录和新的感染部位，例如，Pseudempleurosoma 的物种的直肠和幽门盲肠，以及最早感染墨西哥的四齿类和长鼻类鱼类的内生寄生虫。

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