alarm substance
fish secretion
Also known as: Schreckstoff
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minnows
- In pheromone
…been shown to release a chemical from specialized epidermal cells that elicits a dispersal response from the school. Pheromones play a role in sexual attraction and copulatory behaviour, and they have been shown to influence the sexual development of many mammals as well as of insects such as termites and…
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ostariophysans
- In ostariophysan: Alarm substances
In 1938 Austrian biologist Karl von Frisch introduced an injured minnow (Phoxinus) into a school of the same species and observed that the school rapidly retreated and appeared very frightened. By experimentation he demonstrated that a chemical substance released from the lacerated skin…
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