Social organisation in animals takes many forms. It includes assemblages of territorial
animals, dominance hierarchies and social groups, among other things. The basic tenet that …

Many aspects of sociality rely on individuals recognising one another. Understanding how,
when, and if individuals recognise others can yield insights into the foundations of social …

The scientific study of networks-computer, social, and biological-has received an enormous
amount of interest in recent years. However, the network approach has been applied to the …

Social aggregation is a widespread and important phenomenon among fishes.
Understanding the questions of why and how aggregations form and are subsequently …

Social relationships can have important consequences for fitness in animals. Whilst
numerous studies have shown that individuals often join larger groups in response to …

In complex social environments, individuals may interact with not only novel and familiar
conspecifics but also kin and non-kin. The ability to distinguish between conspecific …

Individuals of many species prefer to associate with familiar conspecifics from their
established social group over unfamiliar conspecifics. Such familiarity preferences are …

Numerous factors affect the fine-scale social structure of animal groups, but it is unclear how
important such factors are in determining how individuals encounter resources. Familiarity …

Emotional contagion has recently been described in fish but whether it is affected by
familiarity is not known. We tested whether the sight of a distressed conspecific elicited fear …

In the course of evolution, social behavior has been a strikingly potent selective force in
sha** brains to control action. Physiological, cellular, and molecular processes reflect this …