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Bimodality in head shape in European eel (Anguilla Anguilla)

(2011) JOURNAL OF ZOOLOGY. 285(3). p.230-238
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Abstract
The existence of two morphotypes, broadheaded and narrowheaded, in European eels Anguilla anguilla is common knowledge among fishermen and eel biologists in Europe. To test whether European eels really are dimorphic in head shape, a total of 277 specimens from two locations in Belgium (Scheldt-Lippenbroek and Lake Weerde), in combination with a larger data set of 725 eels from river systems across Flanders (the northern part of Belgium) were examined. Our biometric data support the hypothesis that a head shape variation in 'Belgian' European eel is best described as having a bimodal distribution. Literature data suggest that this may be the result of phenotypic plasticity related to trophic segregation between morphs.
Keywords
head shape, phenotypic plasticity, dimorphism, Anguilliformes, ANGUILLA-ANGUILLA, PLASTICITY, EVOLUTION, GROWTH

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Chicago
Ide, Celine, Natalie De Schepper, Joachim Christiaens, C Van Liefferinge, Anthony Herrel, G Goemans, P Meire, C Belpaire, C Geeraerts, and Dominique Adriaens. 2011. “Bimodality in Head Shape in European Eel (Anguilla Anguilla).” Journal of Zoology 285 (3): 230–238.
APA
Ide, C., De Schepper, N., Christiaens, J., Van Liefferinge, C., Herrel, A., Goemans, G., Meire, P., et al. (2011). Bimodality in head shape in European eel (Anguilla Anguilla). JOURNAL OF ZOOLOGY, 285(3), 230–238.
Vancouver
1.
Ide C, De Schepper N, Christiaens J, Van Liefferinge C, Herrel A, Goemans G, et al. Bimodality in head shape in European eel (Anguilla Anguilla). JOURNAL OF ZOOLOGY. 2011;285(3):230–8.
MLA
Ide, Celine, Natalie De Schepper, Joachim Christiaens, et al. “Bimodality in Head Shape in European Eel (Anguilla Anguilla).” JOURNAL OF ZOOLOGY 285.3 (2011): 230–238. Print.
@article{2125864,
  abstract     = {The existence of two morphotypes, broadheaded and narrowheaded, in European eels Anguilla anguilla is common knowledge among fishermen and eel biologists in Europe. To test whether European eels really are dimorphic in head shape, a total of 277 specimens from two locations in Belgium (Scheldt-Lippenbroek and Lake Weerde), in combination with a larger data set of 725 eels from river systems across Flanders (the northern part of Belgium) were examined. Our biometric data support the hypothesis that a head shape variation in 'Belgian' European eel is best described as having a bimodal distribution. Literature data suggest that this may be the result of phenotypic plasticity related to trophic segregation between morphs.},
  author       = {Ide, Celine and De Schepper, Natalie and Christiaens, Joachim and Van Liefferinge, C and Herrel, Anthony and Goemans, G and Meire, P and Belpaire, C and Geeraerts, C and Adriaens, Dominique},
  issn         = {1469-7998},
  journal      = {JOURNAL OF ZOOLOGY},
  keyword      = {head shape,phenotypic plasticity,dimorphism,Anguilliformes,ANGUILLA-ANGUILLA,PLASTICITY,EVOLUTION,GROWTH},
  language     = {eng},
  number       = {3},
  pages        = {230--238},
  title        = {Bimodality in head shape in European eel (Anguilla Anguilla)},
  url          = {http://dx.doi.org/10.1111/j.1469-7998.2011.00834.x},
  volume       = {285},
  year         = {2011},
}

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