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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
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| Keywords |
Anguilla Schrank, 1798 [WoRMS]
Marine/Coastal; Brackish water; Fresh water |
| Author keywords |
Anguilla; bite force; dimorphism; feeding performance |
| Authors | | Top |
- De Meyer, J.
- Herrel, A.
- Belpaire, C.
- Goemans, G.
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- Ide, C.
- De Kegel, B.
- Christiaens, J.
- Adriaens, D.
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| 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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