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  • Title: Passive and active electroreception during agonistic encounters in the weakly electric fish Gymnotus omarorum.
    Author: Pedraja F, Perrone R, Silva A, Budelli R.
    Journal: Bioinspir Biomim; 2016 Oct 21; 11(6):065002. PubMed ID: 27767014.
    Abstract:
    Agonistic behaviour related to territorial defence is likely to be costly in terms of energy loss and risk of injury. Hence information about the fighting ability of a potential opponent could influence the outcome of the contest. We here study electric images of the territorial and aggressive weakly electric fish Gymnotus omarorum in the context of agonistic behaviour. We show that passive and active electric images may drive the approach towards an opponent. The likelihood of first attacks can be predicted in these fish based on electric image information, suggesting that aggressive interactions may in fact be triggered through the passive electrosensory information.
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