Antipredator Defenses of Larval Pacific Giant Salamanders

  title={Antipredator Defenses of Larval Pacific Giant Salamanders},
  author={David E. Rundio and Deanna H. Olson},
—We tested larval Pacific giant salamanders (Dicamptodon tenebrosus) for chemical and behavioral defenses against cutthroat trout (Oncorhynchus clarki). Youngof-year Dicamptodon were fully palatable to trout during single and repeated offerings. However, larvae increased refuge use in response to chemical cues from trout, although they did not select different microhabitats (shallow or deep) between trout treatments and controls. Our results suggest that while Dicamptodon larvae are potentially… CONTINUE READING
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