[寄生于阿根廷圣地亚哥-德尔埃斯特罗省里约洪多温泉池塘鱼类的线虫]

[Nematodes parasitizing fishes from Termas de Rio Hondo Pond, Santiago del Estero, Argentina].

作者信息

Ramallo G

机构信息

Instituto de Invertebrados, Fundación Miguel Lillo, San Miguel de Tucumán, Argentina.

出版信息

Bol Chil Parasitol. 1999 Jan-Jun;54(1-2):3-6.

PMID:10488583

Abstract

Cucullanus pinnai and Spinitectus jamundensis are cited parasitizing three freshwater fish species: Pimelodus albicans, Leporinus obtusidens and Prochilodus lineatus, captured in Termas de Río Hondo pond, province of Santiago del Estero, Argentina, in 1992 and 1995. The three fish species were parasited by S. jamundensis, but C. pinnai was found only in P. albicans and L. obtusidens. Morphologic and morphometric parasitological studies were carried out. The specimens described were drawned. In addition, the following parasitic infection indexes were calculated: prevalence, mean and maximum intensity. The two nematode species identified are described for the first time in Argentina and increased the host range cited for the parasite species studied in this work.

摘要

皮氏库兰线虫（Cucullanus pinnai）和雅蒙氏旋尾线虫（Spinitectus jamundensis）被报道寄生于三种淡水鱼：白色肥脂鲤（Pimelodus albicans）、钝齿兔脂鲤（Leporinus obtusidens）和条纹锯脂鲤（Prochilodus lineatus），这些鱼于1992年和1995年在阿根廷圣地亚哥-德尔埃斯特罗省的里奥翁多温泉池塘捕获。这三种鱼类都被雅蒙氏旋尾线虫寄生，但皮氏库兰线虫仅在白色肥脂鲤和钝齿兔脂鲤中发现。进行了形态学和形态计量学的寄生虫学研究。对所描述的标本进行了绘图。此外，还计算了以下寄生虫感染指数：感染率、平均感染强度和最大感染强度。这两种已鉴定的线虫物种在阿根廷属首次描述，并扩大了本研究中所涉寄生虫物种的宿主范围。