Funding for this research was provided by:
Japan Society for the Promotion of Science (25K18523)
Article History
Received: 23 December 2025
Revised: 6 April 2026
Accepted: 8 May 2026
First Online: 28 May 2026
Declarations
:
: No animal experiment or testing was conducted for this study.
: The authors declare no competing interests.
: The fieldwork was conducted with permission from the local tourism association and in accordance with the established guidelines for dolphin observation in the area.
: The datasets used for this study are available from the corresponding author upon request.
: Y.G. contributed to data collection, identification, interpretation, and writing. T.A. and I.O. contributed to supervision.