Chondroitin Fragments Are Odorants that Trigger Fear Behavior in Fish

Abstract

The ability to detect and avoid predators is essential to survival. Various animals, from sea urchins to damselfly larvae, use injury of conspecifics to infer the presence of predators. In many fish, skin damage causes the release of chemicals that elicit escape and fear in members of the shoal. The chemical nature of the alarm substance ("Schreckstoff" in… (More)
DOI: 10.1016/j.cub.2012.01.061

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