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Tailless Whipscorpions – the Weirdest of All Arachnids?

Hello, Frank Indiviglio here.  Having long worked with a variety of the world’s most unusual invertebrates, I had imagined myself ready for any and all surprises that might be offered by these fascinating creatures.  Yet the first tailless whipscorpion that I encountered in the wild – a huge specimen that met my gaze inside a hollow tree in Venezuela (where I was searching for yet another bizarre beast, the giant vampire bat) – stopped me in my tracks.

Although relatively harmless, these most unusual Arachnids certainly are formidable – some might say “nightmarish” – in appearance.  If you are looking to add an animal that borders on the unbelievable to your collection, look no further than these fascinating spider relatives. 

Description

Tailless whipscorpions are members of the Arachnid order Amblypygi, related to but distinct from the spiders and scorpions.  The incredibly long front legs have evolved into sensory organs, and are slowly moved back and forth, touching this and that, as the animal senses its way about.  It really is quite a sight to behold – one simply has no frame of reference, no matter how many odd creatures have crossed one’s path. 

These specialized legs may cover a span of over 1 ½ feet. Some of the larger tropical species also sport 8 inch long “regular legs” and flattened bodies exceeding 2 inches in length – very impressive beasts over-all.  Huge pinchers, kept close to the body until needed to grasp meals, add to the effect.

Tailless Whipscorpions in Captivity

The huge Tanzanian giant tailless whipscorpions (Damon variegatus and D. diadema), are becoming increasingly popular with invertebrate enthusiasts, with captive reproduction now regularly recorded.  I have housed similarly-sized individuals in groups without incident, and was even successful in breeding them in this situation (I removed the youngsters to prevent predation).

In common with all related species, Tanzanian giants are arboreal, and need wide, flat climbing surfaces.  Cork bark slabs are ideal.  They should be provided a varied diet consisting of crickets, waxworms, roaches, locusts and wild caught insects.

All species kept to date require very damp conditions and temperatures of 72-76 F.  Despite their tropical origins, tailless whipscorpions are most often found in caves, wells, hollow trees and other cool micro-habitats.  Most fail to thrive if kept warmer than 80 F. 

Although lacking venom glands, tailless whipscorpions can break the skin with their formidable front claws.  For this reason, and because they move very quickly and shed legs easily, these odd creatures should not be handled.

Further Reading

You can learn more about the natural history of African tailless whipscorpions at http://www.arc.agric.za/home.asp?pid=4078.

Please write in with your questions and comments.  Thanks, until next time, Frank Indiviglio.

Image referenced from Wikipedia and originally posted by Luis Fernandez Garcia

 

One comment

  1. avatar

    I kept a pair of these which sadly perished when the house got too cold. I will say they were by far the most interesting invertebrate pets I have ever had the honor of observing.

    Dr. Linda S. Rayor has done quite a bit of research using these discovering that female Damon diadema…and other tailess whips actually form a long term family bond with the young, caring for the up till maturity. But adults she claims will eat eachother(I heard from a petstore of this happening on occasion but I’ve also heard from people like yourself who have kept them communally with no problems.) My pair was put together for several months for mating, then the female was seperate until she laid and then aborted an eggsac. Put them together after she molted and they mated again before disaster struck and I lost both of them. But they seem to form a strong pair bond and get along for the most part while they were together. They’d often sit facing each other and occasionally keep in touch with their “antennae”. The mating dance was also quite neat to see.

    I would love to try another one of this weird group again…perhaps the NA species unless I am sure of being able to keep stable temps(IME between 65-80 was fine).

    Great post highlighting a fascinating creature that hopefully becomes more available as CB specimens.

    ~Joseph

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About Frank Indiviglio

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Being born with a deep interest in animals might seem unfortunate for a native Bronxite , but my family encouraged my interest and the menagerie that sprung from it. Jobs with pet stores and importers had me caring for a fantastic assortment of reptiles and amphibians. After a detour as a lawyer, I was hired as a Bronx Zoo animal keeper and was soon caring for gharials, goliath frogs, king cobras and everything in-between. Research has taken me in pursuit of anacondas, Orinoco crocodiles and other animals in locales ranging from Venezuela’s llanos to Tortuguero’s beaches. Now, after 20+ years with the Bronx Zoo, I am a consultant for several zoos and museums. I have spent time in Japan, and often exchange ideas with zoologists there. I have written books on salamanders, geckos and other “herps”, discussed reptile-keeping on television and presented papers at conferences. A Master’s Degree in biology has led to teaching opportunities. My work puts me in contact with thousands of hobbyists keeping an array of pets. Without fail, I have learned much from them and hope, dear readers, that you will be generous in sharing your thoughts on this blog and web site. For a complete biography of my experience click here.
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