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Feeding Behavior of the African Clawed Frog (Xenopus laevis Daudin): (Amphibia, Anura, Pipidae): Effect of Prey Type
Vernon L. Avila and Patricia G. Frye
Journal of Herpetology
Vol. 12, No. 3 (Jul. 24, 1978), pp. 391-396
Published by: Society for the Study of Amphibians and Reptiles
Stable URL: http://www.jstor.org/stable/1563621
Page Count: 6
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The dependency upon prey type and size of: (1) feeding behavioral components, (2) mean number of feeding behavioral components per feeding session, (3) feeding transition sequences, and (4) feeding complexity was examined. Ten isolated frogs were randomly presented with mealworm larvae (Tenebrio molitor), small liver cubes (1 cm3) and large liver chunks (equal to 20% of frog body weight). Five to seven behavioral components were associated with all 3 prey types; however, the hindlimb kick and stuff were elicited only when large liver chunks were presented. Use of the hyobranchial pumping mechanism occurred more frequently with mealworm larvae and small liver cubes. Sequential transitions were ordered, and varied with prey type. Sequence modality also varied with prey type.
Journal of Herpetology © 1978 Society for the Study of Amphibians and Reptiles