Abstract
Climate change has interfered with ecosystem stability, biodiversity and predator–prey interactions. Among amphibians, temperature variations may influence metabolism, sensory perception and behavior. We experimentally evaluated whether tadpoles of map treefrog, Boana geographica, reduce their activity and increase the use of refuge under different temperatures in response to chemical signals emitted by a predator, as an adaptive strategy to minimize the risk of predation. Tadpoles’ shelter use and feeding behavior was measured at temperatures from 28 to 36 °C using control (without predator cues) and treatment (predator cues) groups. Temperature influenced the shelter use of tadpoles when exposed to predator chemical cues. Significant differences were observed at lower temperatures and greater shelter use by tadpoles at higher temperatures. Food offering showed no significant difference in the control or treatment group. The increased use of shelter by tadpoles in response to chemical signals from predators and increased temperature highlights the adaptive capacity of organisms in the face of predation threats, highlighting the complexity of predator–prey interactions. This behavior highlights the role of environmental factors and sensory signals in shaping the survival strategies of aquatic ectotherms. Tadpoles minimize predation risk by increasing predator avoidance behavior in detecting chemical signals in the water.
Published Version
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