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Behav Ecol Sociobiol (2005) 58: 366374 DOI 10.1007/s00265-005-0950-6

Summary: Behav Ecol Sociobiol (2005) 58: 366374
DOI 10.1007/s00265-005-0950-6
Kit Magellan Lars B. Pettersson Anne E. Magurran
Quantifying male attractiveness and mating behaviour through
phenotypic size manipulation in the Trinidadian guppy,
Poecilia reticulata
Received: 22 April 2004 / Revised: 26 December 2004 / Accepted: 22 March 2005 / Published online: 23 April 2005
C Springer-Verlag 2005
Abstract Although many studies have examined the ef-
fects of male size on attractiveness and mating behaviour,
few have taken genetic background into consideration. Phe-
notypic manipulation permits the experimental adjustment
of morphological traits while keeping genetic background
constant. Here, male guppies, Poecilia reticulata, an ideal
model for this type of manipulation, were raised at differ-
ent temperatures to produce sibling pairs that differed in
size. These were then used to investigate male mating be-
haviour and male attractiveness, assessed through female
mate choice, in relation to this size dimorphism. Further,


Source: Agrell, Jep - Department of Ecology, Lunds Universitet


Collections: Environmental Sciences and Ecology