It must be noted that Proteus anguinus differ substantially in overall body dimensions, colour and few microscopic features also. Previous scientific tests utilize these dissimilarities to sustain the segment into five diverse species, whereas contemporary herpetologists recognize that peripheral morphology is not dependable for amphibian mechanisms and can be tremendously changeable, depending upon sustenance, sickness, and other aspects even changing amongst individuals in a lone population.
Proteus Anguinus