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Schreckstoff Tracks

Tracking fear in fishes through movement




Schreckstoff is a substance found in the skins of fishes which when released into the water due to injury, serve as an alarm substance to warn other fishes of danger. I observed a video in which researchers recorded the movement of a fish which had detected schreckstoff in its waters and was exhibiting unusual fish activity that we interpret as fear in the fish. The fish’s path has been outlined as a form of mark-making.


Collaboration with Suresh Jesuthasan (Associate Professor of Behavioural Neuroscience, Lee Kong Chian School of Medicine).
"Drawing Neurons", Neuroscience Singapore 2019, Yale-NUS.
Curated by Isabelle Desjeux.