Task-dependent workload adjustment of female breeders in a cooperatively breeding fish

Hirokazu Tanaka, Joachim G Frommen, Leif Engqvist, Masanori Kohda and Michael TaborskyHandling Editor

Behavioral Ecology, 2018, vol. 29, issue 1, 221-229

Abstract: Helpers in cooperative breeders support the dominants in raising offspring. Such support is expected to be task dependent and to increase breeders’ current or future reproductive success. We show that breeder females adjust their workload depending on the task in a cooperatively breeding fish by reducing their territory defense and broodcare according to the received help. However, they consistently showed the same amount of territory maintenance, indicating both load-lightening and additive effects taking place.

Keywords: additive effects; brood care; cichlid; group living; load-lightening effects; Neolamprologus obscurus (search for similar items in EconPapers)
Date: 2018
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