Erika Fernlund Isaksson


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Works at Department of Zoology
Visiting address Svante Arrheniusväg 18 B
Room D 547
Postal address Zoologiska institutionen: Etologi 106 91 Stockholm

About me

I am a PhD student in sexual selection working under the supervision of Dr. John Fitzpatrick. In this doctoral thesis, I will work with the pygmy halfbeak (Dermogenys colletti), a species showing a wide range of sexually selected traits including weaponry and ornamentation as well as associated behaviours of courtship and contest competition (pre-mating selection). Since female halfbeaks engage in multiple mating, there is also sexual selection after mating in the form of sperm competition and crypic female choice. 

Male (under) courting a female halfbeak. Credits: Hannah Ogden.


The planned projects include assessing condition dependence and trade-offs between sexually selected traits using two resource manipulation experiments. Futhermore, I will employ a quantitative genetics breeding design to examine genetic variation and covariation between sexually selected traits. 

Last updated: October 18, 2018

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