Research field (2):
Animals: biochemistry, physiology, behavioral science
, Aquaculture
Research theme for competitive and other funds (23):
2021 - 2025 頭足類の「個のない社会」の形成維持機構に関する鳥類・哺乳類との比較研究
2019 - 2021 Comparative psychology research of the extended body-part control
2019 - 2021 An exploratory study on comparative social cognitive science: a biological basis of personal space
2017 - 2020 Behavioral study on empathetic systems of squid
2016 - 2019 Mathematical approach for the linguistic meaning of body patterns in cuttlefish
2014 - 2018 Ecology and stock structure of Sepioteuthis lessoniana around Japan
2014 - 2017 Behavioral study on group dynamics of squid
2011 - 2013 Behavioral study on conspecific recognition and social formation of squid
2011 - 2013 Genetic analysis of social behavior in squids
2010 - 2012 ケンサキイカの飼育に必要な諸条件の解明
2008 - 2010 Social structure and social network of squid
2008 - 2009 熱帯性タコ類の養殖技術開発
2006 - 2007 Comparative behavioral study on social system of tropical squid
2004 - 2005 イカ類における自己認識の発達に関する行動学的研究
2004 - 2005 琉球列島周辺のアオリイカ3型におけるボディーパターンの変異性
2004 - 2005 Development of self-recognition and sociality in squid
2002 - 2003 イカ類におけるボディーパターンの機能と発達に関する行動学的研究
頭足類の飼育技術開発
頭足類の社会性とコミュニケーション
頭足類の自然史
Aquaculture of Cephalopods
Sociality and Communication of Cephalopods
Natural History of Cephalopods
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Papers (83):
Yuma Sakurai, Yuzuru Ikeda. Effect of visual lateralization on the spatial position of individuals within a school of oval squid (Sepioteuthis lessoniana). JOURNAL OF COMPARATIVE PHYSIOLOGY A-NEUROETHOLOGY SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY. 2023
Yuma Sakurai, Yuzuru Ikeda. Allometry for Eyes and Optic Lobes in Oval Squid (Sepioteuthis lessoniana) with Special Reference to Their Ontogenetic Asymmetry. Symmetry. 2022. 14. 4. 644-644
Yuma Sakurai, Yuzuru Ikeda. Visual and brain lateralization during the posthatching phase in squid under solitary and group conditions. Animal Behaviour. 2022. 183. 13-28
Ayano Omura, Yuzuru Ikeda. Morphology of the suckers for hunting behavior in broadclub cuttlefish ( Sepia latimanus ). Ecological Research. 2021. 37. 1. 156-162
Sumire Kawashima, Yuzuru Ikeda. Evaluation of Visual and Tactile Perception by Plain-Body Octopus (Callistoctopus aspilosomatis) of Prey-Like Objects. Zoological Science. 2021. 38. 6
Reproductive behavior in chambered nautilus and oval squid with implications for conservation.
(Cephalopod International Advisory Council Conference 2018, St. Petersburg, Florida, USA. 2018)
Diversity in body pattern development within the species complex of juvenile Bigfin reef squid, Sepiotheuthis lessoniana from Okinawa archipelagos Japan.
(Cephalopod International Advisory Council Conference 2018, St. Petersburg, Florida, USA. 2018)
Anatomical study by use of micro-CT on brain structure of cephalopod.
(Engaging Islands RETI Symposium, 2018. St. John’s, Canada. 2018)
Behavioral study on visual and tactical learning, a fundamental base for cross modal recognition, in tropical octopuses.
(Engaging Islands RETI Symposium, 2018. St. John’s, Canada. 2018)
1995/04 - 1997/03 Kyoto University Faculty of Agriculture
1994/10 - 1995/03 スタンフォード大学 ホプキンス臨海実験所 客員研究員
1993/04 - 1994/09 財団法人水産科学研究奨励会 奨励研究員
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Committee career (1):
2021/01 - 2022/12 日本動物行動学会 運営委員
Awards (3):
2022/09 - Zoological Science Award and Fujii Award Evaluation of Visual and Tactile Perception by Plain-body Octopus (Callistoctopus aspilosomatis) of Prey-like Objects
2017/12 - 第4回Journal of Ethology論文賞 Unique arm-flapping behavior of the pharaoh cuttlefish, Sepia pharaonis: putative mimicry of a hermit crab
2016/06 - 日本動物学会 2016年度論文賞 Effects of Visual Cues of a Moving Model Predator on Body Patterns in Cuttlefish Sepia pharaonis
Association Membership(s) (4):
THE ZOOLOGICAL SOCIETY OF JAPAN
, JAPANESE SOCIETY FOR AQUACULTURE SCIENCE
, JAPAN ETHOLOGICAL SOCIETY
, THE JAPANESE SOCIETY OF FISHERIES SCIENCE