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Title: わが国で初めて確認されたOctophialucium sp.(ヒドロ虫綱, 軟クラゲ目)の生活環
Other Titles: First occurrence of the Hydromedusa Octophialucium sp. (Hydrozoa, Leptomedusae) in Japan and its life cycle
Authors: 秋山, 仁  KAKEN_name
山﨑, 悠介  KAKEN_name
辻田, 明子  KAKEN_name
堀之内, 詩織  KAKEN_name
久保田, 信  KAKEN_name
Author's alias: Akiyama, Hisashi
Yamasaki, Yuusuke
Tsujita, Akiko
Horinouchi, Shiori
Kubota, Shin
Keywords: hydromedusa
Octophialucium sp
new record
life cycle
Issue Date: 20-Dec-2011
Publisher: 日本生物地理学会
Journal title: 日本生物地理学会会報
Volume: 66
Start page: 135
End page: 139
Abstract: ホシヤスジクラゲ(新称) Octophialucium sp. (ヒドロ虫綱, 軟クラゲ目)の複数の成熟クラゲを長崎県佐世保市沿岸ーから2010年3~ 4月に採取し, 写真撮影し, 形態を記載した. 水族館で, これらのクラゲの繁殖を試み, 得られたポリプ, クラゲ芽, 遊離直後のクラゲ, 成熟クラゲの形態を観察すると共に, 3ヶ月間の生活環を調査しその成長を明らかにした.
Ten or more medusae of Octophialucium sp. (Hydrozoa, Leptomedsae) were collected at the sea surface in Sasebo, Nagasaki Prefecture, Japan, as the first record from Japan. The morphology of four large mature medusae are described and photographed. They were reared in aquarium, and their polyps, medusa bud, newly liberated medusa and mature medusa were also described and photographed. The young medusae were reared for 3 months to observe the temporal morphological change in aquarium. The life cycle of this species is completed in aquarium for the first time.
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