Prey capture in the chain pickerel, Esox niger: correlations between feeding and locomotor behavior
- 1 June 1981
- journal article
- research article
- Published by Canadian Science Publishing in Canadian Journal of Zoology
- Vol. 59 (6), 1072-1078
- https://doi.org/10.1139/z81-149
Abstract
The predatory behavior of the chain pickerel E. niger was studied by high-speed cinematography to correlate patterns of jaw bone movement with locomotor patterns. Pattern B strikes were initiated at significantly shorter distances from the prey, had higher acceleration rates, and the velocity of mouth opening and suspensorial abduction was greater than for pattern A strikes. No difference was found in the excursion amplitudes of jaw movements between pattern A and pattern B strikes. Significant differences were found between midwater and corner strikes in the amplitude of mouth opening and hyoid depression: both were smaller in corner attacks and suction velocity was higher. Both velocity and amplitude of each mechanical unit in the head can be varied depending on the locomotor pattern and the position of the prey.This publication has 3 references indexed in Scilit:
- Strike tactics of EsoxCanadian Journal of Zoology, 1980
- Modulatory multiplicity in the functional repertoire of the feeding mechanism in cichlid fishes. I. PiscivoresJournal of Morphology, 1978
- The Effect of Size on the Fast-Start Performance of Rainbow Trout Salmo Gairdneri, and A Consideration of Piscivorous Predator-Prey InteractionsJournal of Experimental Biology, 1976