Alarm responses of the green sea urchin, Strongylocentrotusdroebachiensis, induced by chemically labelled durophagous predators and simulated acts of predation

By H. N., A. A., Stabell O.. 2002

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Movement patterns of the sea urchin Paracentrotus lividus in a marine reserve and an unprotected area in the NW Mediterranean (2005, background): “Although we do not know how sea urchins can detect the presence of predators, some authors suggest that chemical cues can provoke escape or aggregative behaviour in other species (Kats & Dill 1998; Hagen et al. 2002).”
Chemical ecology of predator–prey interactions in aquatic ecosystems: a review and prospectusThe present review is one in the special series of reviews on animal–plant interactions. (2010, unknown): “…Respond to diet cues Learn to recognize predators through pairing with alarm cues Green sea urchin, Strongylocentrotus droebachiensis (Müller, 1776) — Hagen et al. 2002 — Tunicate Clavelina huntsmani Van Name, 1931 Pelletier 2004 — — Fishes Common bully, Gobiomorphus cotidianus McDowall, 1975…”
Inducible defenses: The relevance of chemical alarm cues in Daphnia (2006, background): “1996; fish, Stabell and Lwin 1997; echinoderms, Hagen et al. 2002).”
Multiple factors explain the covering behaviour in the green sea urchin, Strongylocentrotus droebachiensis (2007, background): “…themselves in response to the presence of predators, possibly because carrying materials is energetically costly (Berke et al. 2006) and/or reduces the efficiency of the fleeing response, which is triggered by chemical cues from predators (Mann et al. 1984; Hagen & Mann 1992; Hagen et al. 2002).”