Academic Journal
Synchronous waving in a dotillid crab Ilyoplax pusilla: behavioral analyses using a robotic model.
| Τίτλος: | Synchronous waving in a dotillid crab Ilyoplax pusilla: behavioral analyses using a robotic model. |
|---|---|
| Συγγραφείς: | Okada J; Institute of Integrated Science and Technology, Faculty of Environmental Science, Nagasaki University, Nagasaki, 852-8521, Japan. jokada@nagasaki-u.ac.jp., Nakagawa S; Faculty of Environmental Science, Nagasaki University, Nagasaki, 852-8521, Japan., Honki K; Faculty of Environmental Science, Nagasaki University, Nagasaki, 852-8521, Japan., Fujisaki K; Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, 819-0395, Japan., Uchida S; Graduate School of Information Science and Electrical Engineering, Kyushu University, Fukuoka, 819-0395, Japan. |
| Πηγή: | Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology [J Comp Physiol A Neuroethol Sens Neural Behav Physiol] 2026 Jan; Vol. 212 (1), pp. 33-44. Date of Electronic Publication: 2025 Oct 30. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Springer Country of Publication: Germany NLM ID: 101141792 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-1351 (Electronic) Linking ISSN: 03407594 NLM ISO Abbreviation: J Comp Physiol A Neuroethol Sens Neural Behav Physiol Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: Berlin ; New York : Springer, c2001- |
| Ιατρικοί όροι (MeSH): | Brachyura*/physiology , Behavior, Animal*/physiology , Robotics*, Movement/physiology ; Sexual Behavior, Animal/physiology ; Animals ; Male ; Female |
| Περίληψη: | The waving behavior exhibited by some species of male mudflat-dwelling crabs is characterized by rhythmic claw movement, which is considered to be a form of courtship toward females and agonism toward males. A fascinating aspect of the waving behavior is that its rhythm is synchronized with that of the surrounding males. To elucidate the behavioral mechanism underlying the synchronization of the waving rhythm in the dotillid crab (Ilyoplax pusilla), we conducted a laboratory experiment using a waving-mimicking robotic model. When a single robot was operated continuously at a certain frequency (0.91-1.66 Hz) in front of a burrow-holding male, the crab responded to the robot with corresponding waving. In cases of relatively slow operating frequencies (≤ 1.11 Hz), the crabs tended to perform synchronous waving at a timing that preceded the robot. In contrast, when the operating frequency was relatively high (≥ 1.25 Hz), they waved synchronously with the robot with almost no time lag. The crabs tended not to wave at the same frequency as the high-frequency robot but waved once every two or three movements of the robot. These results suggest that synchronous waving without delay occurs in situations where the waving frequency increases competitively among neighboring males. The crabs may also adjust their waving frequency to half or one-third of that of high-performance opponents while maintaining their waving to avoid delays. (© 2025. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.) |
| Competing Interests: | Declarations. Conflict of interest: The authors declare no competing interests. Ethical approval: Our study did not require approval from an institutional ethics committee. The crabs used in the laboratory experiments were transported back to their original habitat and released. |
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| Contributed Indexing: | Keywords: Ilyoplax pusilla; Mudflat crab; Robot; Synchronization; Waving |
| Entry Date(s): | Date Created: 20251030 Date Completed: 20260401 Latest Revision: 20260401 |
| Update Code: | 20260401 |
| DOI: | 10.1007/s00359-025-01766-1 |
| PMID: | 41162630 |
| Βάση Δεδομένων: | MEDLINE |
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