The Grottenolm - Wanted poster

The Grottenolm - Wanted poster

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Surname: Grottenolm
Other names: Olm
Latin name: Proteus anguinus
class: Amphibians
size: 20-30cm
mass: 15 - 20g
Older: 50 - 100 years
Appearance: pink skin
Sexual dimorphism: No
food: Crustaceans
distribution: Dinaric Mountains
habitat: underground freshwater lakes
natural enemies: /
sexual maturity: between the ages of 15 and 20
mating season: ?
breeding season: 90 days
oviposition: 10 - 40 eggs
Threatened with extinction: Yes
Further profiles of animals can be found in the Encyclopaedia.

Interesting facts about the Grottenolm

  • Grottenolme are among the most fascinating creatures of the European area and form their own genus called Proteus.
  • This cock lurch, which lives exclusively in the caving waters of many European countries, is actually an animal that lives in the long-term larval stage.
  • The Grottenolm is found only in clean and oxygen-rich water of subterranean rivers, with its circulation area is limited to a few countries along the Adriatic coast. The Grottenolm is located only in northern Italy and in Croatia, Slovenia and Herzegovina.
  • It prefers water temperatures of over ten degrees Celsius, but can outlast frost for short periods. At a temperature above twenty degrees Celsius, no reproduction is possible.
  • Since the Grottenolm is found in the hard to reach and dark caves in the calcareous karst rock, little is known about his way of life.
  • Presumably, this tail lurch feeds on tiny crabs, freshwater shrimps and water lice.
  • He has a streamlined, elongated and up to thirty centimeters long body with flattened row tail, thin and short limbs and a triangular head.
  • The Grottenolm breathes though lungs, but has on each side of the head three reddish colored Kiemenäste.
  • Since the Grottenolm lives only in the absolute darkness of the caves, it has no eyes and a non-pigmented, transparent and pale pink skin through which the blood vessels and organs are clearly visible. He is extremely sensitive to light stimuli that he can perceive through the surface of his sensitive skin.
  • A subspecies, the Proteus anguines parkelj, is dark gray in color and has fully functional eyes.
  • Because of their unique appearance, Grottenolme have been considered kite babies in times past.
  • Due to their remote habitat, they have no natural enemies.
  • Scientists found that these perennial larvae can reach over one hundred years of age. This inexplicably high age, unlike similarly developed ruts, is the subject of intense research efforts.
  • The females reach sexual maturity only at the age of fifteen. They then only lay eggs every twelve to thirteen years, with a brood usually consisting of 35 eggs. To date, no breeding fees have been found in the wild. Scientists study the reproduction and way of life of these reclusive animals in special aquariums.
  • The intensive use of water and pollution are considered a major threat to the Grotto army. Therefore, this tail is listed on the list of endangered species.