Salvelinema salmonicola (Nematoda, Cystidicolidae) : Heavy Infection in Lacustrine Sockeye Salmon Oncorhynchus nerka from Northern Japan, with plication of the Host's Feeding Habits
Biogeography Volume 12
Page 25-28
published_at 2010-10-20
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| File | |
| Title ( eng ) |
Salvelinema salmonicola (Nematoda, Cystidicolidae) : Heavy Infection in Lacustrine Sockeye Salmon Oncorhynchus nerka from Northern Japan, with plication of the Host's Feeding Habits
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| Creator |
Katahira Hirotaka
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| Source Title |
Biogeography
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| Volume | 12 |
| Start Page | 25 |
| End Page | 28 |
| Abstract |
Six hundred fifteen specimens of the cystidicolid nematode Salvelinema salmonicola (Ishii, 1916) were found in the swimbladder of a sockeye salmon Oncorhynchus nerka from Lake Toya, central Hokkaido, northern Japan. The stomach of this fish contained many, benthic gammaridean amphipods Jesogammarus jesoensis, which are most likely to serve as an intermediate host for S. salmonicola in the lake. While sockeye salmon are known to exclusively prey on small fish when the zooplankton biomass remains low in this locality, the present findings of S. salmonicola and J. jesoensis indicate that these salmon feed on benthic amphipods as well and get infected with the nematode.
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| Keywords |
Salvelinema salmonicola
fish parasite
Oncorhynchus nerka
sockeye salmon
Jesogammarus jesoensis
amphipod
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| NDC |
Biology [ 460 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
日本生物地理学会
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| Date of Issued | 2010-10-20 |
| Rights |
論文ファイルの利用は著作権の範囲内に限り認められます。
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1345-0662
[NCID] AA11381320
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