Salsuginus seculus (Monogenea: Ancyrocephalidae) Newly Recorded from Japan, Infecting the Introduced Mosquitofish Gambusia affinis

Masato Nitta; Kazuya Nagasawa

doi:10.12782/sd.19.2.173

Species Diversity

Online ISSN : 2189-7301
Print ISSN : 1342-1670

Salsuginus seculus (Monogenea: Ancyrocephalidae) Newly Recorded from Japan, Infecting the Introduced Mosquitofish Gambusia affinis

Masato Nitta, Kazuya Nagasawa

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Keywords: Salsuginus seculus, Monogenea, fish parasite, Gambusia affinis, new country record, introduced species, Japan

JOURNAL FREE ACCESS

2014 Volume 19 Issue 2 Pages 173-178

DOI https://doi.org/10.12782/sd.19.2.173

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Abstract

The ancyrocephalid monogenean Salsuginus seculus (Mizelle and Arcadi, 1945) was found infecting the gills of mosquitofish, Gambusia affinis (Baird and Girard, 1853), from Okinawa, Aichi, Tokushima, and Kyoto prefectures in Japan. These are the first records of S. seculus from Japan. This parasite was most likely introduced along with mosquitofish from Texas (USA) through Hawaii and Taiwan into Japan in the late 1910s. It appears to have low salinity tolerance.

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