Seeing through the noise: how fish use visual information to navigate in challenging conditions

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• Cait Newport, University of Oxford
• Tuesday 31 January 2023, 13:00-14:00
• Main Zoology Lecture Theatre and online via Zoom - contact organiser for details.

If you have a question about this talk, please contact Dr Emily Mitchell.

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Navigation, or the ability to accurately and efficiently determine one’s position relative to a goal, underpins many important behaviours. For aquatic animals, visually-guided navigation underwater comes with particular challenges. In addition to an extended range of movement along both the vertical and horizontal axes compared to most terrestrial animals, the appearance of visual cues can change rapidly due to the behaviour of light in water (e.g. attenuation, wave-induced flicker, low-light), reducing the accuracy of landmark identification. In this talk, I will discuss what we can learn from laboratory experiments about the mechanism of visual navigation, including object recognition, distance estimation, and route planning. I will also explore how we can use recent advances in computer vision and photogrammetry to understand the navigation behaviour of wild fish moving within their complex natural environments.

This talk is part of the Behaviour, Ecology & Evolution Seminar Series series.

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