Biographies of the Most Dangerous Elapids


Scientists are generally undecided as to which is the most dangerous Australian Elapid snake.  The Taipan has the most potent venom, though documented cases of snakebite by this animal are very few.  The Tigersnake and Brownsnake are responsible for the most deaths, mainly because they inhabit the most populated areas.  Thus, the debate continues.  Click on one of the links to the left to decide for yourself.

The following is a table of LD50's for the most dangerous of the Australian Elapids.
An LD50 is the amount of venom needed to kill 50% of the animals exposed to
it.  The table takes into account both venom toxicity and average venom yield.


Species LD50
Inland Taipan (Oxyuranus microlepidotus) 218,000 
Coastal Taipan (Oxyuranus scutellatus) 95,000
Tigersnake (Notechis scutatus) 15,000
Common Death Adder (Acanthopis antarcticus) 12,000
King brown snake (Pseudechis australis) 5000
Common brownsnake (Pseudonaja textilis) 4000
Common blacksnake (Pseudechis perphyriacus) 700
(Shine, 1991)


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This page is an assignment for Biology 312, Animal Physiology, and is for educational purposes only.
email me:  schutchins@davidson.edu