• Publications
  • Influence
Social behavior in context: Hormonal modulation of behavioral plasticity and social competence.
  • R. F. Oliveira
  • Psychology, Medicine
  • Integrative and comparative biology
  • 1 October 2009
In social species animals should fine-tune the expression of their social behavior to social environments in order to avoid the costs of engaging in costly social interactions. Therefore, socialExpand
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Why do winners keep winning? Androgen mediation of winner but not loser effects in cichlid fish
Animal conflicts are influenced by social experience such that a previous winning experience increases the probability of winning the next agonistic interaction, whereas a previous losing experienceExpand
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Social modulation of androgen levels in male teleost fish.
Androgens are classically thought of as the sex steroids controlling male reproduction. However, in recent years evidence has accumulated showing that androgens can also be affected by theExpand
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The effect of an audience on intrasexual communication in male Siamese fighting fish, Betta splendens
The evolution of signals has mainly been considered in the context of an emitter–receiver dyadic interaction. However, communication usually occurs in the presence of individuals (an audience) thatExpand
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Social modulation of androgens in male vertebrates: meta-analyses of the challenge hypothesis
The challenge hypothesis (Wingfield et al. 1990, American Naturalist, 136, 829–846) predicts varying androgen responses to mating, breeding or territorial behaviour in avian males. At theExpand
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A test of the ‘challenge hypothesis’ in cichlid fish: simulated partner and territory intruder experiments
In male birds, the responsiveness of androgens to sexual and territorial behaviour is predicted to vary with mating system and the degree of paternal investment (‘challenge hypothesis’, CH; WingfieldExpand
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Patterns of diversity of the north-eastern Atlantic blenniid fish fauna (Pisces: Blenniidae)
This paper presents an analysis of the distributional patterns of blenniids (Pisces: Blenniidae) in the north-eastern Atlantic. Two peaks of species diversity were found, both in terms of number ofExpand
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Social Modulation of Sex Steroid Concentrations in the Urine of Male Cichlid FishOreochromis mossambicus
The relationship between urinary concentrations (free + sulfates + glucuronides) of the steroids testosterone (T), 11-ketotestosterone (11KT), 17 alpha, 20 beta-dihydroxy-4-pregnen-3-one (17, 20Expand
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