Adult male of P. guatemalensis presenting multiple scars from male-male combat with thumb spikes.

 
 
  Part of: González-Mollinedo S, Mármol-Kattán A (2020) The underground sex life of the Guatemalan Spike-thumb Frog (Plectrohyla guatemalensis). Neotropical Biology and Conservation 15(4): 551-559. https://doi.org/10.3897/neotropical.15.e57142