First record of Ogmogaster antarctica Johnston, 1931 (Trematoda: Notocotylidae) on the edge of the Arctic ocean

IF 2.2 3区医学 Q3 ECOLOGY

International Journal for Parasitology-Parasites and Wildlife Pub Date : 2025-08-30 DOI:10.1016/j.ijppaw.2025.101131

Valerie Chosson , Laure de Montety , Sverrir D. Halldórsson , Haseeb S. Randhawa

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Abstract

On the November 27, 2021, a male fin whale Balaenoptera physalus (Linnaeus), measuring 17.92 m in length was reported stranded dead on the Icelandic shore (N63.86°, W21.37°). As geographical and meteorological conditions allowed, a necropsy was performed onsite including measurements and collection of samples from the organs. Here, we report the first evidence of the presence of Ogmogaster antarctica Johnston, 1931, collected from the intestine of the stranded fin whale, off the coast of Iceland, on the edge of the Arctic Ocean. Additionally, we provide a new set of morphological and molecular characterization associating morphometric description and genetic sequence. This study sheds new light on the distribution of the digeneans of the genus Ogmogaster, Jägerskiöld, 1891, especially O. antarctica, and adds valuable information to the biodiversity of parasites species in potential hosts of the sub-Arctic ocean.

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1931年在北冰洋边缘首次记录南极巨蝮（吸虫目：舌虫科）

2021年11月27日，一条长17.92米的雄性长须鲸在冰岛海岸（北纬63.86度，西经21.37度）搁浅死亡。在地理和气象条件允许的情况下，现场进行了尸检，包括测量和采集器官样本。在这里，我们报告了Ogmogaster antarctica Johnston存在的第一个证据，于1931年从冰岛海岸外北冰洋边缘搁浅的长须鲸的肠道中收集到。此外，我们还提供了一套新的形态学和分子表征，包括形态计量描述和基因序列。该研究揭示了Ogmogaster属（Jägerskiöld, 1891），特别是O. antarctica的地根系分布，并为亚北冰洋潜在宿主的寄生虫物种多样性提供了有价值的信息。

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来源期刊

International Journal for Parasitology-Parasites and Wildlife Medicine-Infectious Diseases

CiteScore

3.80

自引率

5.60%

发文量

113

审稿时长

45 days

期刊介绍： The International Journal for Parasitology: Parasites and Wildlife (IJP-PAW) publishes the results of original research on parasites of all wildlife, invertebrate and vertebrate. This includes free-ranging, wild populations, as well as captive wildlife, semi-domesticated species (e.g. reindeer) and farmed populations of recently domesticated or wild-captured species (e.g. cultured fishes). Articles on all aspects of wildlife parasitology are welcomed including taxonomy, biodiversity and distribution, ecology and epidemiology, population biology and host-parasite relationships. The impact of parasites on the health and conservation of wildlife is seen as an important area covered by the journal especially the potential role of environmental factors, for example climate. Also important to the journal is ''one health'' and the nature of interactions between wildlife, people and domestic animals, including disease emergence and zoonoses.