Offspring quality and female choice in the guppy, Poecilia reticulata
Article Abstract:
A study was conducted to determine the relationship between female choice and offspring viability in the guppy, Poecilia reticulata. Offsprings of females that were mated with preferred and non-preferred males were compared based on their physical condition, coloring and sexual behavior. There were no significant differences observed in the offsprings of preferred and non-preferred males. Observations linking male ornamentation and female choice suggests that the differences in the offsprings were caused by maternal rather than paternal effects.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
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Repeatability of female choice in the guppy: response to live and videotaped males
Article Abstract:
Female guppies were presented with images of males on video, and live males behind one-way glass and clear glass. The females preferred brightly colored males on video to paler males, and the repeatability of their preference was higher with videotaped males and with one-way glass though less so with clear glass. Video playback shows which morphological traits females may prefer and eliminates temporal changes in the behaviour of males so can more effectiveshow preferences.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1997
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Reversal of female preference after visual exposure to a predator in the guppy, Poecilia reticulata
Article Abstract:
The visual exposure to a predator causes the female guppy, Poecilia reticulata, to reverse its preference to a less conspicuous male. The social and sexual preference depends on the amount of carotenoid pigmentation in the males. The fluctuating asymmetry of carotenoid pigmentation is less in case of preferred males. The predators prey on more ornamented males, thus affecting the evolution of male sexual ornaments.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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