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SUMMARY:Does swimming behind get you ahead?: The energetic benefits of mov
 ing in fish schools - Dr Shaun Killen\, University of Glasgow
DTSTART:20150224T160000Z
DTEND:20150224T170000Z
UID:TALK52786@talks.cam.ac.uk
CONTACT:Dr Hannah Rowland
DESCRIPTION:Among the many benefits associated with group-living in animal
 s is a potentially reduced cost of locomotion for individual group members
 . Fish schools are a prime example in which individuals can exploit zones 
 of low pressure or vortices created by school mates to increase their own 
 efficiency of movement. Here I first discuss work with mullet and mackerel
 \, demonstrating how differences in energy expenditure by fish in differen
 t positions within a school can influence trade-offs associated with spati
 al positioning and school membership. In particular\, it seems that the ph
 ysiological traits of individual fish may affect their preferred position 
 within a group in response to energetic trade-offs. Interestingly\, howeve
 r\, even fish swimming toward the front of a group\, or at least ahead of 
 the neighbours\, are able to gain an energetic advantage over swimming in 
 isolation. Overall\, trade-offs of energetic efficiency experienced by fis
 h in schools may interact with other trade-offs associated with spatial po
 sitions\, such as those related to predator-avoidance or foraging\, to aff
 ect overall group structure.
LOCATION:Part II Lecture Theatre\, Department of Zoology
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