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Subterranean fauna are animals that have adapted to live underground while they are trying to hunt for new outlandish adaptations for their life in perpetual darkness. They are linked to subterranean settings and regions and can be divided into- Troglofauna, which means they are linked with caverns and spaces that lay over the water table, and stygofauna with ground water or acquifiers.

The Spider – Hunting Labyrinth Bug


Phasmatocoris Labyrinthicus is the only creature with decent eyesight. It takes flight and travel to new caves in search of a mate. This insect injects paralyzing venom into its prey to suck their liquefied innards. They have specialized bristles on their front legs for plucking onto old, abandoned spider webs hence taking over for their own use.

Cave – Dwelling Planthoppers


Troglobitic planthoppers are the most surprising insects that are related to cicadas around the grasslands and the forest world. These miniature mortals are plant dependent insects and prosper on the juices that they draw in from plants and tree roots that have penetrated into their caves.

Blind Salamanders from Texas


One of the well-known species of troglobitic amphibian is the eyeless Eurycea Rathbuni. It is a rare creature that depends upon water from a single aquifier. The rarer is the Eurycea waterlooensis that possesses tiny eyes and is only observed in pockets filled with water, deep inside the base of Barton Springs in Austin. Unlike other salamanders they display neoteny, preserving their larval gills into adulthood.

The Blind Worm Lizard


Amphisbaena cacea are legless reptiles that spend most of its time living underground.  It    lacks pigment and has a pinkish appearance. It has tiny eyes beneath its skin that helps it to differentiate light from dark. It is found in Puerto Rico and feeds on soft eggs and ants larvae.

The Blind Cave Piranha


Stygicthys Typhlops are the fiercest looking troglobitic fish of the characidae family and the only member of the genus Stygichthys.  It has large head and sharp – toothed under bite and lacks pigmentation.

Lava Tube Crabs

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Digital Camera

Munidopsis Polymorpha is not basically a crab however they are crablike squat lobsters. It is also another of those animals first discovered as a fossil.  It is found in a single lava tube under the Canary Islands. They nourish wholly on microscopic photosynthetic diatoms. This provision of diatoms is fed by sunlight which trickles only through two openings in the cave ceiling.

The Eyeless Hunting Spider


Sinopodia Scurion the new species of huntsman completely eyeless spider. It has a leg span of only six centimeters with body size of twelve millimeters.

The First Official Cave Insect


Leptodirus Hochenwartii is a pale, blind, long necked beetle adapted to live underground. The most striking feature is the domed elytrae which covers the abdomen and give it a round appearance.

Mysterious Cave Leeches


Croatobranchus Mestrovi is bizarre specie of leech. It inhabits in pools of icy cold water. These are completely white, possessing unique leg like growths along their sides and five short fingerlike tentacles surrounding their mouths.


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