Repeatability and Heritability of Behavioural Types in a Social Cichlid

  title={Repeatability and Heritability of Behavioural Types in a Social Cichlid},
  author={No{\'e}mie Chervet and Markus Z{\"o}ttl and Roger Sch{\"u}rch and Michael Taborsky and Dik Heg},
  booktitle={International journal of evolutionary biology},
Aim. The quantitative genetics underlying correlated behavioural traits (''animal personality") have hitherto been studied mainly in domesticated animals. Here we report the repeatability (R) and heritability (h(2)) of behavioural types in the highly social cichlid fish Neolamprologus pulcher. Methods. We tested 1779 individuals repeatedly and calculated the h(2) of behavioural types by variance components estimation (GLMM REML), using 1327 offspring from 162 broods from 74 pairs. Results… CONTINUE READING
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Norušis, SPSS 15.0 Advanced Statistical Procedures Companion, SPSS, Chicago, Ill

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