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dc.contributor.author Welsh, Daniel P.
dc.contributor.author Zhou, Muchu
dc.contributor.author Mussmann, Steven M.
dc.contributor.author Fields, Lauren G.
dc.contributor.author Thomas, Claire L.
dc.contributor.author Pearish, Simon P.
dc.contributor.author Kilburn, Stephanie L.
dc.contributor.author Parker, Jerrod L.
dc.contributor.author Stein, Laura R.
dc.contributor.author Bartlett, Jennifer A.
dc.contributor.author Bertram, Christopher R.
dc.contributor.author Bland, Thomas J.
dc.contributor.author Laskowski, Kate L.
dc.contributor.author Mommer, Brett C.
dc.contributor.author Zhuang, Xuan
dc.contributor.author Fuller, Rebecca C.
dc.coverage.spatial Illinois
dc.coverage.spatial Embarras River
dc.coverage.spatial Vermilion River
dc.coverage.spatial Sangamon River
dc.coverage.spatial Kaskaskia River
dc.date.accessioned 2012-11-15T19:38:37Z
dc.date.available 2012-11-15T19:38:37Z
dc.date.issued 2013-01-25
dc.identifier doi:10.5061/dryad.j7th2
dc.identifier.citation Welsh DP, Zhou M, Mussmann SM, Fields LG, Thomas CL, Pearish SP, Kilburn SL, Parker JL, Stein LR, Bartlett JA, Bertram CR, Bland TJ, Laskowski KL, Mommer BC, Zhuang X, Fuller RC (2013) The effects of age, sex, and habitat on body size and shape of the blackstripe topminnow, Fundulus notatus. Biological Journal of the Linnean Society 108(4): 784–789.
dc.identifier.uri http://hdl.handle.net/10255/dryad.44248
dc.description Lake and stream habitats pose a variety of challenges to fishes due to differences in variables such as water velocity, habitat structure, prey community, and predator community. These differences can cause divergent selection on body size and/or shape. Here, we measured sex, age, length, and eight different morphological traits of the blackstripe topminnow, Fundulus notatus, from 19 lake and stream populations across four river drainages in central Illinois. Our goal was to determine whether size and shape differed consistently between lake and stream habitats across drainages. We also considered the effects of age and sex as they may affect size and morphology. We found large differences in body size of age 1 topminnows where stream fish were generally larger than lake fish. Body shape mainly varied as a function of sex. Adult male topminnows had larger morphological traits (with the exception of body width) than females, in particular longer dorsal and anal base lengths. Subtle effects of habitat were present. Stream fish had a longer dorsal fin base than lake fish. These phenotypic patterns may be the result of genetic and/or environmental variation. As these lakes are human-made, the observed differences, if genetic, would have had to occur relatively rapidly (within about 100 years).
dc.relation.haspart doi:10.5061/dryad.j7th2/1
dc.relation.isreferencedby doi:10.1111/bij.12022
dc.subject morphology
dc.subject lake
dc.subject stream
dc.subject fish
dc.subject dimorphism
dc.title Data from: The effects of age, sex, and habitat on body size and shape of the blackstripe topminnow, Fundulus notatus
dc.type Article *
dwc.ScientificName Fundulus notatus
dc.contributor.correspondingAuthor Welsh, Daniel P.
prism.publicationName Biological Journal of the Linnean Society

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