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Animal Bioresource in Japan

.: Home > Animal Bioresource in Japan > 2012 > Volume 59 Number 2 > Hajime Nishiyama, Mikio Watai, Hiroshi Senou, Hiroyuki Motomura

Records of Stegastes insularis (Perciformes, Pomacentridae) from Yoron-jima Island, the Amami Islands, Kagoshima Prefecture, Japan, and notes on distributional implications for the species

Hajime Nishiyama, Mikio Watai, Hiroshi Senou, Hiroyuki Motomura
The Kagoshima University Museum, 1–21–30 Korimoto, Kagoshima 890–0065, Japan (e-mail: hnishiyama_damselfish@yahoo.c o.jp)
Abstract :

Seven specimens (21.3–52.3 mm standard length) of the damselfish Stegastes insularis Allen and Emery, 1985, collected from Yoron-jima Island, the Amami Islands, Kagoshima Prefecture, Japan, are described in detail. A review of distributional records in Japanese waters, based on specimens, literature records, and underwater photographs, revealed the species to be distributed mainly in the Ogasawara, Izu and Ryukyu islands. On the basis of an underwater photograph, Kushimoto, Kii Peninsula, Wakayama Prefecture, is regarded as the northernmost record of the species, although it is not considered to reproduce in that area. The occurrence of S. insularis at Minamitori-shima Island appears to have resulted from dispersal from the northern Ogasawara Islands where the species commonly occurs. Known localities of the species, viz., Japan, Taiwan and Christmas Island, and the lack of records from Micronesia and Southeast Asia suggest that the population of Christmas Island is relictual.

Keywords :
The Kagoshima University Museum, 1–21–30 Korimoto, Kagoshima 890–0065, Japan

Date Deposited : 25 Feb 2015 11:39

Last Modified : 25 Feb 2015 11:39

Official URL: http://www.jstage.jst.go.jp

Volume 59, Number 2, - 2012 , ISSN 111–124

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