Terada, Tomoyoshi
Morisaka, Tadamichi http://orcid.org/0000-0001-7051-3184
Wakabayashi, Ikuo
Yoshioka, Motoi
Funding for this research was provided by:
Collaborative Research Program of the Wildlife Research Center, Kyoto University (2019-A-15)
Japan Society for the Promotion of Science (15H05709)
Article History
Received: 9 November 2021
Accepted: 6 June 2022
First Online: 8 August 2022
Declarations
:
: The authors declare that they have no conflicts of interest directly relevant to the content of this work.
: This study was conducted in accordance with the guidelines for ethological studies of the Japan Ethological Society. The narrow-ridged finless porpoise subjects were not relocated for our study, but for aquarium purposes, such as producing offspring and artificial rearing. They behaved freely throughout the study.