title: Evolutionary cooperation: male cleaner fish aggression may promote female cooperation.
abstract: A new study has shown that mixed-sex pairs of cleaner fish provide a better - more cooperative - service than singletons despite pairs facing an apparent Prisoner's dilemma.
authors.affiliation: Institute of Cognitive and Evolutionary Anthropology, University of Oxford, Oxford OX2 6PN, UK. max.burton@anthro.ox.ac.uk
authors.forename: Maxwell N
authors.initials: MN
authors.lastname: Burton-Chellew
mesh_terms: D000374:Aggression / Q000502:physiology*; D000818:Animals; D005075:Biological Evolution; D003299:Cooperative Behavior; D005260:Female; D005716:Game Theory; D006120:Grooming / Q000502:physiology*; D008297:Male; D010473:Perciformes / Q000502:physiology*