PMID: 11925077Apr 2, 2002Paper

Field verification of predator attraction to minnow alarm substance

Journal of Chemical Ecology
Brian D Wisenden, Travis A Thiel

Abstract

Fishes such as minnows in the superorder Ostariophysi possess specialized alarm substance cells (ASC) that contain an alarm cue. Alarm substance can only be released by damage to the epidermis; thus, the release of alarm substance is a reliable indicator of predation risk. When nearby minnows detect the cue, they adopt a range of antipredator behaviors that reduce their probability of predation. Predator-predator interactions afford prey an opportunity to escape and, thus, a fitness benefit that maintains alarm substance calls over evolutionary time. Here, we present data from a simple field experiment verifying that nearby predators are attracted to minnow alarm substance because it signals an opportunity to pirate a meal. Fishing lures were baited with sponge blocks scented with either (1) water (control for sponge odor and appearance), (2) skin extract from non-ostariophysan convict cichlids (superorder Acanthopterygii, Archocentrus "Cichlasoma" nigrofasciatus) to control for general injury-released cues from fish, or (3) skin extract from fathead minnows (superorder Ostariophysi, Pimephales promelas). Predator strike frequency on each sponge type was 1, 1, and 7 for water, cichlid, and minnow cues, respectively. These data ...Continue Reading

Citations

Aug 1, 2014·Biological Reviews of the Cambridge Philosophical Society·Anastasia H DalziellRobert D Magrath
Oct 1, 2016·Current Zoology·Yao-Hua ZhangJian-Xu Zhang
Oct 30, 2015·Proceedings. Biological Sciences·Oona M Lönnstedt, Mark I McCormick
Nov 9, 2016·Scientific Reports·Ajay S Mathuru
Oct 23, 2018·Journal of Fish Biology·Caio MaximinoMonica Lima-Maximino
Aug 5, 2021·Microscopy and Microanalysis : the Official Journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·Hanan H Abd-ElhafeezAlaa S Abou-Elhamd
Nov 8, 2011·Current Opinion in Neurobiology·Gheylen DaghfousRéjean Dubuc

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