Aggression is costly, and animals have evolved tactics to mitigate these costs. Submission
signals are an underappreciated example of such adaptations. Here we review submissive …

Group living may engender conflict over food, reproduction, or other resources and
individuals must be able to manage conflict for social groups to persist. Submission signals …

In cooperatively breeding species, subordinates can obtain group membership through
social interactions with other group members or by providing services such as hel** with …

Highlights•Conflicts over resources differ between cichlids with different social systems.•
Cooperatively breeding cichlids show more de-escalation behaviours during conflicts.• …

In complex social groups, animals rely on communication to facilitate priority access to
resources and minimise the costs of conflict. Animals typically have more aggression signals …

For social groups to form and be stable over time, animals must develop strategies to cope
with conflict among group members. Animals may behave submissively either by fleeing …

Social interactions can sometimes be a source of stress, but social companions can also
ameliorate and buffer against stress. Stress and metabolism are closely linked, but the …

Intraspecific variation in social behaviour is often observed among animal populations.
Local predation risk can be a key driver of these differences, with populations that are …

Many animals use color to signal their quality and/or behavioral motivations. Colorful signals
have been well studied in the contexts of competition and mate choice; however, the role of …

Animals often possess multiple distinct threat signals which indicate their level of aggressive
motivation or resource holding potential. In contrast, the diversity of submission signals is …