著者

Makoto Okamoto Kouji Matsuda Tamaki Matsuda

出版者

The Japanese Society of Systematic Zoology

雑誌

Species Diversity (ISSN:13421670)

巻号頁・発行日

vol.15, no.3-4, pp.131-138, 2010-12-30 (Released:2018-03-30)

参考文献数

33

被引用文献数

1 1

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A pelagic juvenile (43.0mm standard length) of the morid Gadella jordani (Bohlke and Mead, 1951) was collected from Kagoshima Prefecture, southern Japan. It has a characteristically elongated body, long dorsal and anal fin bases with 73 rays in each fin, the anus located more anteriorly than the origin of the second dorsal fin, a ventral light organ, and no chin barbel. We describe the morphology of this specimen and also present a color photograph of it in life. This is the first report of any early life stage in this species.

著者

Makoto Okamoto Hiroyuki Motomura Koichi Hoshino Takashi Yanagimoto Toshiro Saruwatari

出版者

The Japanese Society of Systematic Zoology

雑誌

Species Diversity (ISSN:13421670)

巻号頁・発行日

vol.17, no.1, pp.1-5, 2012-05-25 (Released:2018-03-30)

参考文献数

21

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Two specimens (124.0-148.6mm standard length) of a scorpionfish, Idiastion pacificum Ishida and Amaoka, 1992, were collected from the central North Pacific, representing the first record of the species from this area. This finding extends the distributional range of Idiastion pacificum, which was previously known only from the Kyushu-Palau Ridge, western North Pacific. This study provides new morphological data and a color photograph of I. pacificum based on these two additional specimens, with a comparison to Idiastion kyphos Eschmeyer, 1965.

著者

Katsutsugu MATSUYAMA Makoto OKAMOTO

出版者

The Society for Art and Science

雑誌

芸術科学会論文誌 (ISSN:13472267)

巻号頁・発行日

vol.8, no.3, pp.130-142, 2009 (Released:2009-10-09)

参考文献数

23

被引用文献数

1 2

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This paper describes the research and development of a new tool for visualizing world maps. The developers anticipate this tool will provide a better grasp of structures and enable an improved understanding of features from multiple viewpoints. The following needs were identified on the basis of interviews with subjects who are likely users of map software: overhead views and true-to-life views; side-by-side comparison of arbitrarily selected locations; and context awareness. The software was designed to satisfy these requirements by incorporating a new algorithm, resulting in a package with distinctly different characteristics from those that are browsed in a directly geometric fashion. In this paper, we propose a viewing system that allows the user to switch seamlessly between different geographical projections and a multi-focus view displaying method by parameter adjustment and split screen. The effectiveness of this approach is validated in a survey of subjects using this mapping software.