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SUMMARY:Evolution of sensory-driven behaviours in blind cavefish - Sylvie 
 Retaux\; NeuroPSI\, France
DTSTART:20231114T160000Z
DTEND:20231114T170000Z
UID:TALK205609@talks.cam.ac.uk
CONTACT:Nadine Randel
DESCRIPTION:Morphological and behavioural adaptations are key to colonize 
 novel environments. I will use the example of the fish model Astyanax mexi
 canus\, to show the evolution of several sensory systems during adaptation
  to total and perpetual darkness. As compared to their conspecifics which 
 swim in rivers\, cave-dwelling morphs of this species loose their eyes dur
 ing embryogenesis\, and gain outstanding olfactory specialisation to recog
 nize food odours. I will describe how the development and anatomy of the o
 lfactory system and the behavioural responses to olfactory cues have evolv
 ed in cavefish.
LOCATION:Part II Lecture Theatre\, Department of Zoology
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