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Maintenance of behavioral variation:...

Watson-Rodney.

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Maintenance of behavioral variation: Evaluating costs and benefits of a personality type in the pentamorphic livebearing fish, Poecilia parae.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Maintenance of behavioral variation: Evaluating costs and benefits of a personality type in the pentamorphic livebearing fish, Poecilia parae./
Author:	Watson-Rodney.
Description:	57 p.
Notes:	Source: Masters Abstracts International, Volume: 43-06, page: 2082.
Contained By:	Masters Abstracts International43-06.
Subject:	Biology, Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1426646
ISBN:	9780542112713

Maintenance of behavioral variation: Evaluating costs and benefits of a personality type in the pentamorphic livebearing fish, Poecilia parae.
Watson-Rodney.

Maintenance of behavioral variation: Evaluating costs and benefits of a personality type in the pentamorphic livebearing fish, Poecilia parae. - 57 p.

Source: Masters Abstracts International, Volume: 43-06, page: 2082.

Thesis (M.S.)--University of Missouri - Saint Louis, 2005.

Behavioral syndromes are correlations between behaviors in different contexts that seem to explain the maintenance of individual variation in behavioral phenotypes in populations. I present evidence of phenotypic correlations between boldness towards a model and survivorship in the presence of live predators and female preferences for bolder male Poecilia parae as mates from a single population in Guyana, South America. I tested three hypotheses by employing a cost-benefit approach: (1) Carotenoid-colored males are more likely to be bolder than non-carotenoid colored conspecifics. (2) Although females had no prior knowledge of the personality type of males they are more likely to prefer bolder males as mates. (3) More of the bolder males should survive longer than shy males in the presence of a live piscivore, cichlid predator. The first prediction that red and yellow melanzona males approached more closely and inspected the model predator more frequently than the other morphs was corroborated. I also found support that females spent more time in front of and facing the compartment of bolder males irrespective of their color morph status, and spent less time in front of shy males. Finally, the third prediction that bolder males survive for a longer time period and with a higher frequency than shy males was corroborated. Thus, variability in personality traits in the study population suggested that the various measures of boldness were correlated, and shyness and boldness were context specific.

ISBN: 9780542112713Subjects--Topical Terms:

1017726
Biology, Ecology.

Maintenance of behavioral variation: Evaluating costs and benefits of a personality type in the pentamorphic livebearing fish, Poecilia parae.
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040 $a UnM $c UnM
100 1 $a Watson-Rodney. $3 1913104
245 1 0 $a Maintenance of behavioral variation: Evaluating costs and benefits of a personality type in the pentamorphic livebearing fish, Poecilia parae.
300 $a 57 p.
500 $a Source: Masters Abstracts International, Volume: 43-06, page: 2082.
500 $a Adviser: Godfrey R. Bourne.
502 $a Thesis (M.S.)--University of Missouri - Saint Louis, 2005.
520 $a Behavioral syndromes are correlations between behaviors in different contexts that seem to explain the maintenance of individual variation in behavioral phenotypes in populations. I present evidence of phenotypic correlations between boldness towards a model and survivorship in the presence of live predators and female preferences for bolder male Poecilia parae as mates from a single population in Guyana, South America. I tested three hypotheses by employing a cost-benefit approach: (1) Carotenoid-colored males are more likely to be bolder than non-carotenoid colored conspecifics. (2) Although females had no prior knowledge of the personality type of males they are more likely to prefer bolder males as mates. (3) More of the bolder males should survive longer than shy males in the presence of a live piscivore, cichlid predator. The first prediction that red and yellow melanzona males approached more closely and inspected the model predator more frequently than the other morphs was corroborated. I also found support that females spent more time in front of and facing the compartment of bolder males irrespective of their color morph status, and spent less time in front of shy males. Finally, the third prediction that bolder males survive for a longer time period and with a higher frequency than shy males was corroborated. Thus, variability in personality traits in the study population suggested that the various measures of boldness were correlated, and shyness and boldness were context specific.
590 $a School code: 0481.
650 4 $a Biology, Ecology. $3 1017726
650 4 $a Agriculture, Fisheries and Aquaculture. $3 1020913
690 $a 0329
690 $a 0792
710 2 0 $a University of Missouri - Saint Louis. $3 1017796
773 0 $t Masters Abstracts International $g 43-06.
790 1 0 $a Bourne, Godfrey R., $e advisor
790 $a 0481
791 $a M.S.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1426646