Title |
Innovative behaviour in fish: Atlantic cod can learn to use an external tag to manipulate a self-feeder
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Published in |
Animal Cognition, November 2013
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DOI | 10.1007/s10071-013-0710-3 |
Pubmed ID | |
Authors |
Sandie Millot, Jonatan Nilsson, Jan Erik Fosseidengen, Marie-Laure Bégout, Anders Fernö, Victoria A. Braithwaite, Tore S. Kristiansen |
Abstract |
This study describes how three individual fish, Atlantic cod (Gadus morhua L.), developed a novel behaviour and learnt to use a dorsally attached external tag to activate a self-feeder. This behaviour was repeated up to several hundred times, and over time these fish fine-tuned the behaviour and made a series of goal-directed coordinated movements needed to attach the feeder's pull string to the tag and stretch the string until the feeder was activated. These observations demonstrate a capacity in cod to develop a novel behaviour utilizing an attached tag as a tool to achieve a goal. This may be seen as one of the very few observed examples of innovation and tool use in fish. |
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