Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Algal-diet Enhances Sexual Ornament, Growth And Reproduction in the Guppy

Algal-diet Enhances Sexual Ornament, Growth And Reproduction in the Guppy ALGAL-DIET ENHANCES SEXUAL ORNAMENT, GROWTH AND REPRODUCTION IN THE GUPPY by KENJI KARINO 1) and YOKO HAIJIMA 2) (Department of Biology, Tokyo Gakugei University, Nukui-kita 4-1-1, Koganei, Tokyo 184-8501, Japan) (Acc. 22-III-2004) Summary Carotenoids often influence male coloration, and the carotenoid-based coloration is used for female mate choice in some animals. The positive influence of carotenoids on a variety of physiological systems in animals is also known. Because animals have to obtain carotenoids from their food, the conspicuousness of carotenoid-based coloration may indicate the male’s foraging ability for carotenoid-rich food. It is possible, therefore, that females can obtain benefits of the high-foraging ability and, thus, health or vigor of their offspring through their mate preference for the male coloration. In order to test this prediction, we examined the influence of algae-intake (carotenoid-resource in nature) on guppies. By algae-supplement, not only male orange coloration but also growth of both sexes and female reproduction were enhanced compared with fish in control groups, although they got the same amount of energy from their food. However, carotenoid-supplementation did not show the positive influence on growth and reproduction, though male orange coloration became conspicuous. It is possible to explain the difference of the influence http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Algal-diet Enhances Sexual Ornament, Growth And Reproduction in the Guppy

Karino, Kenji; Haijima, Yoko
Behaviour , Volume 141 (5): 17 – Jan 1, 2004
Download PDF
17 pages

Loading next page...
 
/lp/brill/algal-diet-enhances-sexual-ornament-growth-and-reproduction-in-the-eZronq0Z4I

References

References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.

Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/1568539041166672
Publisher site
See Article on Publisher Site

Abstract

ALGAL-DIET ENHANCES SEXUAL ORNAMENT, GROWTH AND REPRODUCTION IN THE GUPPY by KENJI KARINO 1) and YOKO HAIJIMA 2) (Department of Biology, Tokyo Gakugei University, Nukui-kita 4-1-1, Koganei, Tokyo 184-8501, Japan) (Acc. 22-III-2004) Summary Carotenoids often influence male coloration, and the carotenoid-based coloration is used for female mate choice in some animals. The positive influence of carotenoids on a variety of physiological systems in animals is also known. Because animals have to obtain carotenoids from their food, the conspicuousness of carotenoid-based coloration may indicate the male’s foraging ability for carotenoid-rich food. It is possible, therefore, that females can obtain benefits of the high-foraging ability and, thus, health or vigor of their offspring through their mate preference for the male coloration. In order to test this prediction, we examined the influence of algae-intake (carotenoid-resource in nature) on guppies. By algae-supplement, not only male orange coloration but also growth of both sexes and female reproduction were enhanced compared with fish in control groups, although they got the same amount of energy from their food. However, carotenoid-supplementation did not show the positive influence on growth and reproduction, though male orange coloration became conspicuous. It is possible to explain the difference of the influence

Journal

Behaviour – Brill

Published: Jan 1, 2004

There are no references for this article.