Plankton and Benthos Research
Online ISSN : 1882-627X
Print ISSN : 1880-8247
ISSN-L : 1880-8247
Original Papers
Long-anticipated new records of an ectosymbiotic branchiobdellidan and an ostracod on the North American red swamp crayfish, Procambarus clarkii (Girard, 1852) from an urban stream in Tokyo, Japan
Akifumi OhtakaStuart R. GelderRobin J. Smith
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2017 Volume 12 Issue 2 Pages 123-128

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Abstract

Two North American ectosymbionts, a cambarincolid branchiobdellidan, Cambarincola mesochoreus, and an entocytherid ostracod, Ankylocythere sinuosa, were recorded for the first time in Japan, on the red swamp crayfish, Procambarus clarkii, from an urban stream in Tokyo. Although the immediate origin of the hosts and ectosymbionts is unknown, it is highly probable that they were recently imported into Japan. A single C. mesochoreus was also found on an alien atyid shrimp, Neocaridina davidi, in the same stream as the infected Pr. clarkii. This demonstrates the possibility that C. mesochoreus may find this shrimp to be a new potential host.

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© 2017 The Plankton Society of Japan, The Japanese Association of Benthology
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