{"refrec":{"BRefID":209261,"RR":"<b>Ide, C.; De Schepper, N.; Christiaens, J.; van Liefferinge, C.; Herrel, A.; Goemans, G.; Meire, P.; Belpaire, C.; Geeraerts, C.; Adriaens, D.</b> (2011). Bimodality in head shape in European eel. <i>J. Zool. (1987) 285(3)</i>: 230-238. <a href=\"http://dx.doi.org/10.1111/j.1469-7998.2011.00834.x\" target=\"_blank\">http://dx.doi.org/10.1111/j.1469-7998.2011.00834.x</a>","BEntID":201246,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Zool. (1987) 285(3)</i>: 230-238. <a href=\"http://dx.doi.org/10.1111/j.1469-7998.2011.00834.x\" target=\"_blank\">http://dx.doi.org/10.1111/j.1469-7998.2011.00834.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Ide, C.; De Schepper, N.; Christiaens, J.; van Liefferinge, C.; Herrel, A.; Goemans, G.; Meire, P.; Belpaire, C.; Geeraerts, C.; Adriaens, D.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Ide, C. <i>et al.</i>","Englishabstract":"The existence of two morphotypes, broadheaded and narrowheaded, in European eels <em>Anguilla anguilla</em> 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. 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