This review examines the contribution of research on fishes to the growing field of
behavioural syndromes. Current knowledge of behavioural syndromes in fishes is reviewed …

Sexual behavior is one of the most profound events during the life cycle of animals that
reproduce sexually. After completion of gonadal development that is mediated by various …

The study of sex differences has produced major insights into the organization of animal
phenotypes and the regulatory mechanisms generating phenotypic variation from similar …

The roles of estrogen and androgens in male social behavior are well studied, but little is
known about how these hormones contribute to behavior in a social hierarchy. Here we test …

Social behavior can influence physiological systems dramatically yet the sensory cues
responsible are not well understood. Behavior of male African cichlid fish, Astatotilapia …

Teleost fishes show an extraordinary diversity of sexual patterns, social structures, and
sociosexual behaviors. Sex steroid hormones are key modulators of social behaviors in …

Social animals with hierarchal dominance systems are particularly susceptible to their social
environment. There, interactions with conspecifics and hierarchal position can greatly affect …

The neuroendocrine control of intraspecific aggression is a matter of current debate.
Although aggression in a reproductive context has been associated with high levels of …

Aggressive behaviors are widespread among animals and are critical in the competition for
resources. The physiological mechanisms underlying aggression have mostly been …

Fishes have radiated throughout all aquatic environments, and this is reflected in an
extraordinary diversity of mating systems and reproductive behaviors. Many species present …