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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Saraiva, J. L. Barata, E. N. Canário, A. V. M. Oliveira, R. F. |
| Description | Country affiliation: Portugal Author Affiliation: Saraiva JL ( Unidade de Investigação em Eco-Etologia, Instituto Superior de Psicologia Aplicada, Rua Jardim do Tabaco 34, Lisboa, Portugal. jsaraiva@ispa.pt) |
| Abstract | The effect of nest aggregation in courtship behaviour was tested experimentally in an ecologically constrained, sex-role reversed population of the peacock blenny Salaria pavo. Mixed sex groups of eight males and eight females were tested in experimental tanks, containing eight potential nests either aggregated or dispersed. In the aggregated treatment, males spent more time inside their nests and monopolized other potential nests, causing a female-biased operational sex ratio (OSR). In the aggregated treatment, females also expressed more courtship behaviour. The results in general support the prediction that the aggregation of nests promotes male monopolization of potential nests, resulting in fewer nest-holding males and therefore a female-biased OSR that leads to the reversal of sex roles. |
| File Format | HTM / HTML |
| ISSN | 00221112 |
| Issue Number | 4 |
| Volume Number | 74 |
| e-ISSN | 10958649 |
| Journal | Journal of Fish Biology |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 2009-03-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Nesting Behavior Sexual Behavior, Animal Research Support, Non-u.s. Gov't Discipline Ichthyology Animals Agonistic Behavior Perciformes Female Male Physiology Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aquatic Science Ecology, Evolution, Behavior and Systematics |
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