Predation risk is an ecological constraint for helper dispersal in a cooperatively breeding cichlid.

  title={Predation risk is an ecological constraint for helper dispersal in a cooperatively breeding cichlid.},
  author={Dik Heg and Zina Bachar and Lyanne Brouwer and Michael Taborsky},
  journal={Proceedings. Biological sciences},
  volume={271 1555},
Environmental conditions are thought to be responsible for the extent and benefits of cooperative breeding in many animal societies, but experimental tests are scarce. We manipulated predator pressure in the cooperatively breeding cichlid Neolamprologus pulcher in Lake Tanganyika, where predators have been suggested to influence helper and breeder survival, helper dispersal and group reproductive success. We varied the type and intensity of predation by releasing medium, large, or no predators… CONTINUE READING
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