First record of the genus Sphenopus (Anthozoa: Hexacorallia: Zoantharia) from Japan

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Bibliographic Information

Other Title
  • ダルマスナギンチャク属（花虫綱：六放サンゴ亜綱：スナギンチャク目）の日本初記録

Description

A single specimen of Sphenopus marsupialis (Gmelin, 1791) was discovered within a reserve aquarium at the Okinawa Churaumi Aquarium in February 2016. Although the exact collection locality is not known the specimen clearly came from a sandy area of shallow coral reef waters around Motobu, Okinawa, Japan. Previously reported from the Central Indo-Pacific up to Taiwan, this specimen represents the first recorded occurrence of Sphenopus from Japanese waters based on a specimen with certain identification, as well as the northernmost record of the genus.

2016年2月, 沖縄美ら海水族館の予備水槽にてダルマスナギンチャクSphenopus marsupialis (Gmelin, 1791) の生体が確認された. 当該標本は沖縄県本部町周辺の浅い砂礫底で採集されたが, その詳細な位置は定かではない. ダルマスナギンチャク属はこれまでに中央インド太平洋から台湾まで採集の記録があるが, 日本より標本を基にして正確に同定されたのは, 本報が初めてであり, かつ属の北限の記録である.

論文

Journal

  • Fauna Ryukyuana

    Fauna Ryukyuana 29 37-40, 2016-04-19

    Ryukyu University Museum, Fujukan

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