Arctic charr

Differences in tooth traits between Arctic charr morphs

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In January this year, Guðbjörg Ósk Jónsdóttir along with co-authors Finnur Ingimarsson, Sigurður Sveinn Snorrason, Sarah Elizabeth Steele and Arnar Pálsson. Published a paper in the journal Evolutionary Biology. The paper is titled “Variation of Tooth Traits in Ecologically Specialized and Sympatric Morphs.”   Why fish teeth? When one thinks about variation in teeth, one does […]

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Genetic and Shape Differences of Arctic Charr Morphs in Connected Lakes

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Earlier this year Han Xiao along with co-authors Arnar Pálsson, Zophonías O. Jónsson and Sigurður S. Snorrason published a paper in the journal Molecular Ecology. In this paper they explored genetic and shape differences between Arctic charr morphs in two neighbouring lakes in Iceland. They collected different Arctic charr morphs from lake Þingvallavatn and lake

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Let’s micro-CT scan some fish heads

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As I’m writing this, it is the last week of my five and a half weeks stay at the Benedikt Hallgrímson lab (https://hallgrimssonlab.ca/) at the University of Calgary in Alberta Canada. They specialize in genetic morphometric analysis exploring complex traits in zebrafish, mice, and humans. However, I’m here to micro-CT scan some Arctic charrs. Maybe

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Where are the baby Brown trout and Arctic charr?

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  Nursery grounds are habitats mainly used by juvenile (baby) fish. As the name suggests these habitats are like nurseries for fish. Nursery grounds are very important for the fish species using them. Since they provide protection and food for the young. Therefore, knowing where they are and how they are holding up is important.

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Introducing Guðbjörg the newest member of Ice Fish Research

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Hello, my name is Guðbjörg and I’m a new member of Ice Fish Research. I was born and raised in Iceland. Currently I’m working on my PhD in Biology at the University of Iceland where I research diversity in Arctic charr.   Wait, doesn’t everyone love natural science? I was never going to be a

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