Fish and Robots Swimming Together in a Water Tunnel: Robot Color and Tail-Beat Frequency Influence Fish Behavior

Giovanni Polverino, Paul Phamduy, Maurizio Porfiri

Research output: Contribution to journalArticle

Abstract

The possibility of integrating bioinspired robots in groups of live social animals may constitute a valuable tool to study the basis of social behavior and uncover the fundamental determinants of animal functions and dysfunctions. In this study, we investigate the interactions between individual golden shiners (Notemigonus crysoleucas) and robotic fish swimming together in a water tunnel at constant flow velocity. The robotic fish is designed to mimic its live counterpart in the aspect ratio, body shape, dimension, and locomotory pattern. Fish positional preference with respect to the robot is experimentally analyzed as the robot's color pattern and tail-beat frequency are varied. Behavioral observations are corroborated by particle image velocimetry studies aimed at investigating the flow structure behind the robotic fish. Experimental results show that the time spent by golden shiners in the vicinity of the bioinspired robotic fish is the highest when the robot mimics their natural color pattern and beats its tail at the same frequency. In these conditions, fish tend to swim at the same depth of the robotic fish, where the wake from the robotic fish is stronger and hydrodynamic return is most likely to be effective.

Original languageEnglish (US)
Article numbere77589
JournalPLoS One
Volume8
Issue number10
DOIs
StatePublished - Oct 25 2013

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fish behavior
robots
Fish
Tail
Tunnels
Fishes
Robotics
tail
Color
Robots
Water
color
Notemigonus crysoleucas
fish
water
Cyprinidae
Animals
animal morphology
Swimming
Rheology

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Fish and Robots Swimming Together in a Water Tunnel : Robot Color and Tail-Beat Frequency Influence Fish Behavior. / Polverino, Giovanni; Phamduy, Paul; Porfiri, Maurizio.

In: PLoS One, Vol. 8, No. 10, e77589, 25.10.2013.

Research output: Contribution to journalArticle

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