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Title: 日本海南部沿岸におけるカイヤドリヒドラ類(ヒドロ虫綱,軟クラゲ目)の分布初記録
Other Titles: New occurrence records of bivalve-inhabiting hydrozoans (Hydrozoa, Leptomedusae) on the south coasts of the Sea of Japan
Authors: 小林, 亜玲  KAKEN_name
上野, 俊士郎  KAKEN_name
河原, 正人  KAKEN_name
久保田, 信  kyouindb  KAKEN_id
Author's alias: Kobayashi, Arei
Ueno, Shunshiro
Kawahara, Masato
Kubota, Shin
Keywords: Bivalve-inhabiting hydrozoans
new occurrence records
sympatric distribution
the south coasts of the Sea of Japan
Issue Date: 20-Dec-2004
Publisher: 日本生物地理学会
Journal title: 日本生物地理学会会報
Volume: 59
Start page: 41
End page: 44
Abstract: From June 2002 to February 2003, we found two species of bivalve-inhabiting hydrozoans for the first time on the south coasts of the Sea of Japan: Eugymnanthea japonica at 10 locahties and Eutima japonica at 4 localities among 22 sampling stations from Kyushu to Honshu. At two of these localities, the two species were sympatrically distributed. This situation is rare: these localities become the 3rd and 4th ones inhabited by both species in Japanese waters.
2002年6月から2003年2月にかけて日本海南部本州沿岸を中心とした22地点でムラサキイガイと共生するカイヤドリヒドラ類のポリプの分布調査を実施した.その結果,島根県恵曇から山口県下関市にかけての日本海沿岸の10地点で,カイヤドリヒドラクラゲEugymnanthea japonica Kubotaを,島根県沿岸の4地点でコノバクラゲEutima japonica Uchidaの分布を初めて確認した.このうちの島根県の恵曇と瀬戸ケ島は,日本でカイヤドリヒドラ類の2種が同所的にみられる希少な地点であることが分かった.
Rights: © 2004 日本生物地理学会
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