Ontogenetic Shift in Response to Amphibian Alarm Cues by Banded Sculpins (Cottus carolinae)

作者: Brian G Gall , Alicia Mathis

DOI: 10.1643/CE-09-229

关键词:

摘要: We exposed two size classes of Banded Sculpins, Cottus carolinae, to alarm cue secretions from an adult Hellbender (Cryptobranchus alleganiensis) or a blank control and examined foraging responses. Sculpins exhibited size-dependent responses, with small individuals exhibiting avoidance behavior large increased behavior. These data suggest that undergo ontogenetic shift in response cues corresponds changes predation risk profitability.

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