vertical closeup on a colorful aquatic adult male alpine net, ichthyosaura alpestris

amphibia alpine newt amphibian chordata caudata european ichthyosaura alpestris inexpectatus mesotriton nature salamandridae triturus urodela animal beautiful biology close closeup color colorful conservation crested endangered europe fauna freshwater herpetofauna herpetology isolated macro natural nobody one outdoor predator protected salamander single species tailed vertebrate wild wilderness wildlife zoology