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Tadamichi Morisaka Assistant Professor


Yamamoto C, Morisaka T, Furuta K, Ishibashi T, Yoshida A, Taki M, Mori Y, Amano M (2015) Post-conflict affiliation as conflict management in captive bottlenose dolphins (Tursiops truncatus). Scientific Reports 5: 14275.
Mishima Y, Morisaka T, Itoh M, Matsuo I, Sakaguchi A, Miyamoto Y (2015) Individuality embedded in the isolation calls of captive beluga whales (Delphinapterus leucas). Zoological Letters 1: 27.
Morisaka T, Sakai M, Kogi K, Hama H (in press) A simple, non-invasive measurement method is important for conserving large animals underwater. Advances in Intelligent Systems and Soft Computing
Morisaka T, Sakai M, Kogi K (2015) Detection of the nighttime distribution of Indo-Pacific bottlenose dolphins (Tursiops aduncus) around Mikura Island with stationed acoustic buoys. Bulletin of Institute of Oceanic Research and Development,Tokai University 36: 1-7.
Yoshida, YM, Morisaka T, Sakai M, Iwasaki M, Wakabayashi I, Seko A, Kasamatsu M, Kohshima S (2014). Sound variation and function in captive Commerson’s dolphins (Cephalorhynchus commersonii). Behavioural Processes 108: 11–19.
Yamamoto C, Furuta K, Taki M, Morisaka T (2014). Captive bottlenose dolphins (Tursiops truncatus) spontaneously using water flow to manipulate objects. PLoS ONE 9: e107796.
Gridley T, Cockcroft VG, Hawkins ER, Blewitt ML, Morisaka T, Janik V (2014) Signature whistles in free-ranging populations of Indo-Pacific bottlenose dolphins, Tursiops aduncus. Marine Mammal Science, Marine Mammal Science, 30(2):512-527
Sakai M, Morisaka T, Iwasaki M, Yoshida Y, Wakabayashi I, Seko A, Kasamatsu M, Kohshima S (2013) Mother–calf interactions and social behavior development in Commerson’s dolphins (Cephalorhynchus commersonii). Journal of Ethology 31: 305-313.
Morisaka T, Sakai M, Kogi K, Nakasuji A, Sakakibara K, Kasanuki Y, Yoshioka M (2013) Spontaneous ejaculation in a wild Indo-Pacific bottlenose dolphin (Tursiops aduncus). PLoS One 8: e72879
Morisaka T, Yoshida Y, Akune Y, Mishima H, Nishimoto S (2013) Exchange of “signature” calls in captive belugas (Delphinapterus leucas). Journal of Ethology 31:141-149
Kot BW, Morisaka T, Sears R, Samuelson D, Marshall CD (2012) Low prevalence of visual impairment in a coastal population of gray seals (Halichoerus grypus) in the Gulf of St. Lawrence, Canada. Aquatic Mammals 38: 423-427
Sakai M, Karczmarski L, Morisaka T, Thornton M (2011) Reactions of Heaviside's dolphins to tagging attempts using remotely-deployed suction-cup tags. South African Journal of Wildlife Research 41:134-138
Morisaka T, Karczmarski L, Akamatsu T, Sakai M, Dawson S, Thornton M (2011) Echolocation signals of Heaviside's dolphins (Cephalorhynchus heavisidii). The Journal of the Acoustical Society of America 129:449-457
Sakai M, Morisaka T, Kogi K, Hishii T, Kohshima S (2010) Fine-scale analysis of synchronous breathing in wild Indo-Pacific bottlenose dolphins (Tursiops aduncus). Behavioural Processes 83:48-53
Morisaka T, Okanoya K (2009) Cognitive tactics of Bengalese finch (Lonchura striata var. domestica) for song discrimination in a go/no-go operant task. Journal of Ethology 27:11-18
Morisaka T, Katahira K, Okanoya K (2008) Variability in preference for conspecific songs with syntactical complexity in female Bengalese Finches: towards an understanding of song evolution. Ornithological Science 7:75-84
Morisaka T, Connor RC (2007) Predation by killer whales (Orcinus orca) and the evolution of whistle loss and narrow-band high frequency clicks in odontocetes. Journal of Evolutional Biology 20:1439-58
Tamaki N, Morisaka T, Taki M (2006) Does body contact contribute towards repairing relationships? The association between flipper-rubbing and aggressive behavior in captive bottlenose dolphins. Behavioural Processes 73:209-215
Morisaka T, Shinohara M, Taki M (2005) Underwater sounds produced by neonatal bottlenose dolphins (Tursiops truncatus): I. Acoustic characteristics. Aquatic Mammals 31:248-257
Morisaka T, Shinohara M, Taki M (2005) Underwater sounds produced by neonatal bottlenose dolphins (Tursiops truncatus): II. Potential Function. Aquatic Mammals 31:258-265
Morisaka T, Shinohara M, Nakahara F, Akamatsu T (2005) Effects of ambient noise on the whistles of Indo-Pacific bottlenose dolphin populations. Journal of Mammalogy 86:541-546
Morisaka T, Shinohara M, Nakahara F, Akamatsu T (2005) Geographic variations in the whistles among three Indo-Pacific bottlenose dolphin Tursiops aduncus populations in Japan. Fisheries Science 71:568-576

Review Articles

Morisaka T (2015) Evolution of the sounds of dolphins. The Journal of the Acoustical Society of Japan 71:327-333 (In Japanese)
Morisaka T, Sakai M, Yamamoto C (2015) Aggression and post-conflict resolution in dolphins. Evolution of Emotions (Kikusui K, Watanabe S eds, Asakura Publishing), 96-98. (In Japanese)
Kadota M, Morisaka T, Kogi K, Furuta K, Kamezaki N, Ooya D (2015) Perspective of the studies for dolphin assisted therapy: Differences between wild and domestic dolphins in the clinical scenes. Human Development and Education: Kyoto Women's University Graduate School of Human Development and Education, 9:43-51 (In Japanese)
Morisaka T (2015). Juichi Yamagiwa, Leszek Karczmarski (eds): Primates and cetaceans: field research and conservation of complex mammalian societies. Primates 56: 101-103.
Morisaka T (2015) Acoustic world for dolphins. JAS Journal, 55: 29-36. (In Japanese)
Kadota M, Morisaka T, Kamezaki N, Ooya D (2015) “Dolphin Assisted Therapy” as an animal assisted therapy -contact with dolphins- . Human Development and Education: Kyoto Women's University Graduate School of Human Development and Education, 8: 55-60 (In Japanese)
Tomonaga M, Morisaka T, Nakahara F, Adachi I. (2014) A report on the mini-symposium “Minds underwater, minds in the forest: The comparative cognitive science of primates and cetaceans” at the Joint Congress of the 29th Annual Meeting of PSJ and the Annual Meeting of MSJ 2013. Mammalian Science, 54: 103-106.
Morisaka T (2014) Dolphin’s “wet dream”? Science Journal KAGAKU, 84: 733-735.
Morisaka T, Minami T (2014) Dolphin. Shizen, Froebel, August, 43(5), 28pp.
Morisaka T (2014). Porpoises in Toba Aquarium. TSA, 66: 14-15.
Morisaka T, Sakai M, Kogi K. (2013) Swim with dolphins: Appropriate “Dolphin Image” for sustainable dolphin swimming. Japanese Journal of Human Animal Relations 35: 23-27
Morisaka T (2013) Sounds produced by Indo-Pacific bottlenose dolphins in Japan. Kaiyo Monthly 45: 282-287
Morisaka T et al. (2013) Indo-Pacific bottlenose dolphins (Tursiops aduncus) found around Torishima Island, Izu Archipelago. Kaiyo Monthly 45: 232-238
Morisaka T, Shirakihara M, Nakasuji A, Nakajima K, Ueno M. (2013) Indo-Pacific bottlenose dolphins found in Kunda Bay, Kyoto. Kaiyo Monthly 45: 257-261
Morisaka T, Sakai M, Kogi K, Kubota S, Kamezaki N. (2011) A green turtle (Chelonia mydas) feeding on a jellyfish around Mikura Island, Tokyo, Japan. Umigame Newsletter of Japan 89: 15-16
Morisaka T, Kohshima S, Yoshioka M, Suzuki M, Nakahara F (2010) Recent studies on captive cetaceans in Japan: Working in tandem with studies on cetaceans in the wild. International Journal of Comparative Psychology 23:644-663
Morisaka T (2009) Overview of comparative cognitive studies of dolphins in Japan. Japanese Psychological Research 51:168-176
Morisaka T (2007) Current cognitive studies on cetaceans. Japanese Journal of Animal Psychology 57:41-51


Morisaka T (2015) Dolphin sounds. Visual Encyclopedia of Dolphins. (Minakuchi H ed, Seibundo Shinkosha), 172-175.
Morisaka T (2015) Predator-prey interactions. Visual Encyclopedia of Orca. (Minakuchi H ed, Seibundo Shinkosha), 164-169.
Morisaka T (2014) Ethology. New Seishin Psychological Dictionary, Seishin Shobo, 750-752.
Murayama T, Morisaka T (2012) Wisdom of Ketos - What science found out about dolphins & whales - Tokai University Press, 212p

Presentations (Seminars/ Symposiums/ Lectures)

Presentation on “Variations on the sound source level of individual-identified Indo-Pacific bottlenose dolphins” at MPJ2013 (at Okayama)
Mini symposium “Minds Underwater, Minds in the Forest - Comparative Cognitive Science of Primates and Cetaceans-” at MPJ2013 (at Okayama)
Presentation on “Sound source level of individual-identified Indo-Pacific bottlenose dolphins” at the 2013 spring meeting of the Japanese Society of Fisheries Science (at Tokyo)
Presentation on “Evolution of sounds in odontocetes - Sound character of La Plata river dolphins” at the 31th Annual Meeting of Japan Ethological Society (at Nara)
Presentation on “Mikura Island: Rare field for underwater observation of wild dolphins” at the 1st International Workshop on Tropical Biodiversity Conservation (The JSPS Core to Core Program) (at Manaus, Brazil)


2015‐2019 Grant-in-Aid for Scientific Research (S) partaker
2011-2013 Grant-in-Aid for Scientific Research (B) delegate
2011-2014 Grant-in-Aid for Scientific Research (S) partaker
2007-2009 Grant-in-Aid for JSPS Fellows
2006 Grant-in-Aid for Young Scientists (B)