Preprint Article Version 1 This version is not peer-reviewed

Sensory Ecology of Ostariophysan Alarm Substances

Version 1 : Received: 30 March 2018 / Approved: 31 March 2018 / Online: 31 March 2018 (16:45:52 CEST)
Version 2 : Received: 22 August 2018 / Approved: 23 August 2018 / Online: 23 August 2018 (04:12:15 CEST)

How to cite: Maximino, C.; do Carmo Silva, R.X.; dos Santos Campos, K.; de Oliveira, J.S.; Rocha, S.P.; Pyterson, M.P.; dos Santos Souza, D.P.; Miranda, L.F.; Ikeda, S.R.; Pimentel, A.F.N.; Ramos, P.N.F.; Costa, B.P.D.; Herculano, A.M.; Rosemberg, D.B.; da Silva, D.H.S.; Maximino, M.L. Sensory Ecology of Ostariophysan Alarm Substances. Preprints 2018, 2018030279 (doi: 10.20944/preprints201803.0279.v1). Maximino, C.; do Carmo Silva, R.X.; dos Santos Campos, K.; de Oliveira, J.S.; Rocha, S.P.; Pyterson, M.P.; dos Santos Souza, D.P.; Miranda, L.F.; Ikeda, S.R.; Pimentel, A.F.N.; Ramos, P.N.F.; Costa, B.P.D.; Herculano, A.M.; Rosemberg, D.B.; da Silva, D.H.S.; Maximino, M.L. Sensory Ecology of Ostariophysan Alarm Substances. Preprints 2018, 2018030279 (doi: 10.20944/preprints201803.0279.v1).

Abstract

Chemical communication of predation risk has evolved multiple times in fish species, with the conspecific alarm substance (CAS) contemporaneously being the most well understood mechanism. CAS is released after epithelial damage, usually when prey fish is captured by a predator, and elicits neurobehavioral adjustments in conspecifics which increase the probability of avoiding predation. As such, CAS is a partial predator stimulus, eliciting risk assessment-like and avoidance behaviors, and disrupting the predator sequence. The present paper reviews the distribution and putative composition of CAS in fish, and presents a model for the neural processing of these structures by the olfactory and the brain aversive systems. Applications of CAS in the behavioral neurosciences and neuropharmacology are also presented, exploiting the potential of model fish (e.g., zebrafish, guppies, minnows) on neurobehavioral research.

Subject Areas

alarm substance; alarm signals; disturbance signals; fish; Ostariophysi

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