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Sneakers, Satellites, and Helpers: Parasitic and Cooperative Behavior in Fish Reproduction
Organisms compete for various resources in the course of sexual reproduction. First, there is intrasexual competition for obtaining mates. Then, there is the need to exclude reproductive competitorsExpand
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Paying to stay or paying to breed? Field evidence for direct benefits of helping behavior in a cooperatively breeding fish
Several hypotheses aim to explain the evolution of helping behavior, but conclusive experimental support for evaluating the relative importance of individual hypotheses is still larking We report onExpand
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Broodcare helpers in the cichlid fish Lamprologus brichardi: Their costs and benefits
Helping' in birds and mammals involves seemingly altruistic behaviour. In the cichlid fish Lamprologus birchardi helpers are usually young of former broods staying in their parents' territories andExpand
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Animal personality due to social niche specialisation.
The existence of 'animal personality', i.e. consistent individual differences in behaviour across time and contexts, is an evolutionary puzzle that has recently generated considerable researchExpand
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Correlates of group size in a cooperatively breeding cichlid fish (Neolamprologus pulcher)
Abstract. Neolamprologus pulcher, a cooperatively breeding cichlid fish from Lake Tanganyika, lives in permanent social groups comprising one breeding pair and helpers of both sexes. Variation inExpand
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The evolution of alternative reproductive tactics: concepts and questions
Here we outline the meaning of the term alternative reproductive tactics, or ARTs, and discuss why the existence of ARTs is so widespread in animals. We ask what we need to know to understand theExpand
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What sets the odds of winning and losing?
Social experience influences the outcome of conflicts such that winners are more likely to win again and losers will more likely lose again, even against different opponents. Although winner andExpand
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Helpers in fish
SummaryField data show that in the cichlid fish Lamprologus brichardi conspecifics other than the reproducing pair help in brood care and territory maintenance. The expected degree of relatednessExpand
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Alternative reproductive tactics : an integrative approach
Preface Rui F. Oliveira, Michael Taborsky and H. Jane Brockmann 1. The evolution of alternative mating tactics: concepts and questions Michael Taborsky, Rui F. Oliveira and H. Jane Brockmann Part I.Expand
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Inclusive fitness theory and eusociality
Arising from M. A. Nowak, C. E. Tarnita & E. O. Wilson 466, 1057–1062 (2010)10.1038/nature09205; Nowak et al. replyNowak et al. argue that inclusive fitness theory has been of little value inExpand
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