Broader head, stronger bite: in vivo bite forces in European eel Anguilla anguilla

De Meyer, J.; Herrel, A.; Belpaire, C.; Goemans, G.; Ide, C.; De Kegel, B.; Christiaens, J.; Adriaens, D.

doi:/10.1111/jfb.13511

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Broader head, stronger bite: in vivo bite forces in European eel Anguilla anguilla

De Meyer, J.; Herrel, A.; Belpaire, C.; Goemans, G.; Ide, C.; De Kegel, B.; Christiaens, J.; Adriaens, D. (2018). Broader head, stronger bite: in vivo bite forces in European eel Anguilla anguilla. J. Fish Biol. 92(1): 268-273. https://dx.doi.org/10.1111/jfb.13511

In: Journal of Fish Biology. Fisheries Society of the British Isles: London,New York,. ISSN 0022-1112; e-ISSN 1095-8649, more

Available in	Authors
VLIZ: Open Marine Archive 312041 [ download pdf ]

Keywords

Anguilla Schrank, 1798 [WoRMS]
Marine/Coastal; Brackish water; Fresh water

Author keywords

Anguilla; bite force; dimorphism; feeding performance

Authors		Top
De Meyer, J., more Herrel, A., more Belpaire, C., more Goemans, G., more	Ide, C., more De Kegel, B., more Christiaens, J., more Adriaens, D., more

Abstract

This work examined three different phenotypes of the yellow-eel stage of the European eel Anguilla anguilla, broad-heads, narrow-heads and eels with an intermediate head shape. The aim was to see whether broad-headed A. anguilla, which generally consume harder, larger prey, such as crustaceans and fish, exerted greater bite force than the narrow-headed variant, which mainly consume soft, small prey such as chironomid larvae. It was found that in 99 yellow A. anguilla, in vivo bite force of broad-heads are higher compared with narrow-heads and intermediates.

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