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Q: which geckos or lizards have tails that do not grow back
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I am writing a paper for my evolutionary biology class on lizards tails and how most can drop their tail but a few do not grow them back.  I know the crested gecko does not regenerate its tail, but i was wondering if anyone else knew of any others.  I am having major issues finding reputable sources and am interested in which other animals have this oddity.  There must be more out the cresteds can't be the only permanet frog butts out there.  Thanks for any answers i do get.

Points: 150
Topics: Genetics
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Member Comment 2/6/2012 10:48:06 PM


I know Cresties don't, I heard bearded dragon's tails don't regrow either.  Iguana's can regrow, but it's really slow I heard.  I'm sure there are more, but I can't think of them right now.

Member Comment 2/7/2012 1:02:16 AM


blue tongued skinks can grow theirs back, in a limited fashion. Not usually a full regen. http://www.bluetongueskinks.net/ (click on Autotomy for more details).

Member Comment 2/7/2012 1:07:17 AM

Leopard geckos.
Member Comment 2/7/2012 4:16:16 AM


aSnakeLovinBabe, that is false, leopard geckos can and will regrow their tails, and rather rapidly at that.

Member Comment 2/7/2012 4:45:18 AM


Bearded dragons don't regenerate their tails... But they also can't drop them like a gecko or Iguana can.

Author Comment 2/7/2012 7:03:48 AM


thanks everyone i know odd question i will definately see if i can find something about slow growing iguana tails and thanks floof for mentioning that beardies can't drop their tails.  I still believe there must be more its not like cresties are the only ones that can drop and don't grow back.

Accepted Answer 2/7/2012 2:59:55 PM


I don't think agamids can regenerate their tails.  Chameleons can't.  I think cresteds are the only rhacodactylus that can't (gargoyles can at least).  I think most of the skinks can regenerate tails.  I think most phelsumas can.   Some species can only regenerate the lost tail once.  The original tail has the dropping mechanism, but a regrown tail doesn't.  Cresteds are the only ones with the ability to autotomy who don't regenerate.  It seems they "lost" the abilty to regenerate.

Member Comment 2/7/2012 5:27:14 PM


I thought they were looking for lizards that DO regrow their tails. oops. Maybe I should actually read sometimes. :P

Member Comment 6/4/2013 3:49:33 PM


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