Data from: Ecological speciation in European whitefish is driven by a large‐gaped predator

dc.contributor.affiliationSwedish University of Agricultural Sciences - Öhlund, Gunnar
dc.contributor.affiliationUmeå University - Bodin, Mats
dc.contributor.affiliationSwedish University of Agricultural Sciences - Nilsson, Karin
dc.contributor.affiliationUmeå University - Öhlund, Sven-Ola
dc.contributor.affiliationUniversity of Helsinki - Mobley, Kenyon
dc.contributor.affiliationUniversity of Bristol - Hudson, Alan
dc.contributor.affiliationUmeå University - Peedu, Mikael
dc.contributor.affiliationUmeå University - Brännström, Åke
dc.contributor.affiliationUmeå University - Bartels, Pia
dc.contributor.affiliationThe Arctic University of Norway - Præbel, Kim
dc.contributor.affiliationUmeå University - Hein, Catherine
dc.contributor.affiliationUmeå University - Johansson, Petter
dc.contributor.affiliationUmeå University - Englund, Göran
dc.contributor.authorÖhlund, Gunnar
dc.contributor.authorBodin, Mats
dc.contributor.authorNilsson, Karin
dc.contributor.authorÖhlund, Sven-Ola
dc.contributor.authorMobley, Kenyon
dc.contributor.authorHudson, Alan
dc.contributor.authorPeedu, Mikael
dc.contributor.authorBrännström, Åke
dc.contributor.authorBartels, Pia
dc.contributor.authorPræbel, Kim
dc.contributor.authorHein, Catherine
dc.contributor.authorJohansson, Petter
dc.contributor.authorEnglund, Göran
dc.date.accessioned2025-03-24T15:21:20Z
dc.date.issued2020-05-29
dc.date.issued2020-05-29
dc.descriptionLake‐dwelling fish that form species pairs/flocks characterized by body size divergence are important model systems for speciation research. Although several sources of divergent selection have been identified in these systems, their importance for driving the speciation process remains elusive. A major problem is that in retrospect, we cannot distinguish selection pressures that initiated divergence from those acting later in the process. To address this issue, we studied the initial stages of speciation in European whitefish (Coregonus lavaretus) using data from 358 populations of varying age (26–10,000 years). We find that whitefish speciation is driven by a large‐growing predator, the northern pike (Esox lucius). Pike initiates divergence by causing a largely plastic differentiation into benthic giants and pelagic dwarfs: ecotypes that will subsequently develop partial reproductive isolation and heritable differences in gill raker number. Using an eco‐evolutionary model, we demonstrate how pike's habitat specificity and large gape size are critical for imposing a between‐habitat trade‐off, causing prey to mature in a safer place or at a safer size. Thereby, we propose a novel mechanism for how predators may cause dwarf/giant speciation in lake‐dwelling fish species.
dc.identifierhttps://doi.org/10.5061/dryad.vt4b8gtpc
dc.identifier.urihttps://hydatakatalogi-test-24.it.helsinki.fi/handle/123456789/10853
dc.rightsOpen
dc.rights.licensecc-zero
dc.subjectLife History Evolution
dc.titleData from: Ecological speciation in European whitefish is driven by a large‐gaped predator
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