Navigation Links
Better synchronization helps fish deal with predator threat
Date:5/25/2010

Fish alter their movements when under threat from predators to keep closer together and to help them to blend into the crowd, according to new research headed by scientists at the University of York.

Researchers in the York Centre for Complex Systems Analysis (YCCSA), based in the University's Department of Biology, used a combined computer simulation and experimental study of group behaviour to discover that shoaling fish co-ordinate their movements more frequently when under threat.

They 'update' their behaviour more often because by moving in a more coherent fashion with shoal members, individual fish are able to reduce the risk of being targeted by predators as the 'odd one out'.

The model predicts that higher updating frequency, caused by threat, leads to more synchronized group movement with both speed and nearest neighbour distributions becoming more uniform.

The research is published today in the latest issue of Proceedings of the Royal Society B. The study is supported by the Natural Environment Research Council.

The scientists suggest that the so-called 'oddity effect' could be the driving force for the behavioural changes. The computer model measures speed and distance distributions and provides a method of assessing stress levels of collectively grouping animals in a remotely collectable and non-obtrusive way.

Dr Jamie Wood, of YCCSA, said: "We find that as grouping animals feel more threatened, they monitor their fellows more frequently which results in better synchronization.

"Closely coordinated movement has the advantage that predators find it more difficult to single out a single target for their prey. Our work may help to explain how tightly bound fish shoals emerge and determine how agitated animals moving in groups are at any given moment."


'/>"/>

Contact: David Garner
dcg501@york.ac.uk
44-190-443-2153
University of York
Source:Eurekalert

Page: 1

Related biology news :

1. New study reveals ways to better inhibit blood clots
2. British Indian children have better mental health
3. Social context may be a better indicator of obesity disparities than race
4. Nude-colored hospital gowns could help doctors better detect hard-to-see symptoms
5. NIST, Maryland researchers COMMAND a better class of liposomes
6. Pressure-cooking algae into a better biofuel
7. Researchers find a better way to track stem cells
8. Bringing better grapes a step closer to reality
9. A better genetic test for autism
10. Model may offer better understanding of embryonic development
11. ARS study provides a better understanding of how mosquitoes find a host
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/3/2017)... 3, 2017  Data captured by IsoCode, ... detected a statistically significant association between the ... treatment and objective response of cancer patients ... predict whether cancer patients will respond to ... well as to improve both pre-infusion potency testing ...
(Date:3/30/2017)... YORK , March 30, 2017 Trends, ... type (physiological and behavioral), by technology (fingerprint, AFIS, iris ... voice recognition, and others), by end use industry (government ... and immigration, financial and banking, and others), and by ... Europe , Asia Pacific , ...
(Date:3/27/2017)... CENTRE, N.Y. , March 27, 2017 /PRNewswire-USNewswire/ ... Healthcare Information and Management Systems Society (HIMSS) Analytics ... Outpatient EMR Adoption Model sm . In addition, ... 12% of U.S. hospitals using an electronic medical ... CHS for its high level of EMR usage ...
Breaking Biology News(10 mins):
(Date:8/16/2017)... Phoenix, Arizona (PRWEB) , ... ... ... is proud to introduce the Fluidnatek® Electrospinning and Electrospraying ... and electrospraying equipment scales from table-top equipment for the lab to fully ...
(Date:8/16/2017)... WAKEFIELD, Mass. , Aug. 16, 2017  This year,s edition of ... global leader in life sciences workforce solutions, has made the list for ... Inc. 5000 recognizes the nation,s fastest-growing private companies based on a set ... Fast 50, which includes the fastest-growing companies in the Bay ... Inc. 5000 ...
(Date:8/15/2017)... Pittsburgh, PA (PRWEB) , ... August 15, 2017 ... ... JASIS, one of the largest Asian exhibitions for analytical and scientific instruments. This ... Pittsburgh), will be “New Approaches in Mass Spectrometry for Bioanalytical Applications.” This dynamic ...
(Date:8/15/2017)... ... August 15, 2017 , ... ... Now mobile responsive, the new website makes it easy to navigate through the ... Users can now find detailed product information, educational industry content and visit the ...
Breaking Biology Technology: