Mosquitofish (Gambusia affinis) responds differentially to a robotic fish of varying swimming depth and aspect ratio

Giovanni Polverino, Maurizio Porfiri

Research output: Contribution to journalArticle

Abstract

In this study, we explore the feasibility of using bioinspired robotics to influence the behaviour of mosquitofish (Gambusia affinis), a social freshwater fish species that is extensively studied for the ecological issues associated with its diffusion in non-native environments. Specifically, in a dichotomous choice test, we investigate the behavioural response of small shoals of mosquitofish to a robotic fish inspired by mosquitofish in its colouration, shape, aspect ratio, and locomotion. Our results indicate that the swimming depth and the aspect ratio of the robotic fish are both determinants of mosquitofish preference. In particular, we find that mosquitofish are never attracted by a robotic fish whose colouration and shape are inspired by live subjects and that the degree of repulsion varies as a function of the swimming depth and the aspect ratio.

Original languageEnglish (US)
Pages (from-to)133-138
Number of pages6
JournalBehavioural Brain Research
Volume250
DOIs
StatePublished - Aug 1 2013

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Cyprinodontiformes
Robotics
Fishes
Locomotion
Fresh Water
vinyl polysiloxane

Keywords

  • Bioinspired robotics
  • Ethorobotics
  • Gambusia
  • Invasive species
  • Mosquitofish
  • Social behaviour

ASJC Scopus subject areas

  • Behavioral Neuroscience

Cite this

Mosquitofish (Gambusia affinis) responds differentially to a robotic fish of varying swimming depth and aspect ratio. / Polverino, Giovanni; Porfiri, Maurizio.

In: Behavioural Brain Research, Vol. 250, 01.08.2013, p. 133-138.

Research output: Contribution to journalArticle

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