It must be noted that Proteus anguinus or Human fish 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. Olm is now measured as a solitary species. The overall length of the Olm’s head is the noticeable dissimilarity amongst diverse inhabitants Slovenia that have small heads than those present in other parts of Slovenia, and including the Istrain peninsula as well. The Black Proteus is the solitary renowned sub-species of Proteus anguinus, prevalent to submerged waters in Slovenia. Primarily, it was found in the year 1986 by Slovenian Research Institute who was discovering the underwater spring in Bela area. The original depiction of Olm was supposed to be dual pairs of snakes who had wings. These wings represented gills, probably emerging from Karst region. However, the primary written illustration Of Olm can be found in Janez Vajkard Valvasor’s The Glory of the Duchy Camiola in the form of small dragon.
Heavy downpour in Slovenia may actually wash the Olms from their original subterranean environment. Therefore, giving rise to the traditional faith that massive dragons used to live underneath the earth’s crust and Proteus anguinus was actually the emergent progeny of these mythological beasts. Nevertheless, the initial researcher to recover a live Proteus anguinus was an experienced physician from Idrija. He sent lifeless samples of Human fish to his close friends and colleagues. On the other hand, Josephus Nicolas Laurenti was the first person to momentarily explain the olm in the year 1768 and actually gave it the technical term Proteus anguinus. It was during the finish of the century that Carl Franz Anton from Naturhistorisches Museum actually started looking into this amphibian’s anatomy. The samples were sent to Ziga Zois. Afterwards, Schreibers offered his samples in the year 1801 to Royal Society in London, and soon afterwards in Paris as well. Proteus anguinus started to obtain extensive acknowledgment and attracted noteworthy awareness, thereby resulting in thousands of amphibians being sent to medical tests and collectors globally. The foundation of useful morphological discoveries in Slovenia was actually started by Prof. Lili Istenic in the year 1980.
The Research Association for practical morphological studies Vertebrates in the Division of Biology (University of Ljubljana) is considered to be the foremost associations investigating Proteus anguinus under the supervision of Prof. Boris Bulog. There are quite a few fissure labs present in Europe, where Proteus anguinus has been introduced and are investigated. These labs are Moulis in France, Kent’s Cavern in England, Hansurlesse in Belgium and Aggtelek in Hungary. The medical tests were also conducted in Hermannshohle in Germany and Oliero in Italy as well where Olm still live presently. Human fish was also utilized by Charles Dickens in his prominent “On the Origin of Species” as an instance for the lessening of structures through abandonment.