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White-bellied mangrove snake

white-bellied mangrove snake (Fordonia leucobalia)
Darwin, Northern Territory
Photo © Brendan Schembri
Fordonia leucobalia - (Schlegel, 1837)
Pronunciation  for-DOH-nee-ah   LEW-koh-BAH-lee-ah
Etymology  Fordonia: possibly after someone called 'Fordon', but probably meaningless.
leucobalia: 'white-dappled'1.
Other names   
Total length
Species avg: 60 cm
Species max: 100 cm
Litter size
Average: 6
Range: 2 - 17
Length and clutch size information comes from a variety of sources, but primarily from Shine (1991) and Cogger (2000).
Description Distribution Natural history Conservation Further information More photos


Glossy black, brown or reddish above. Pale below. Irregular pale spots above.

Similar species

Scale count information

Dorsal scales at midbody   23 to 29
Ventrals   130 to 160 with a divided anal scale
Subcaudals   25 to 45 and are divided
Other scale information   The only Australian colubrid snake lacking a loreal scale.
Danger rating   Probably weakly venomous.
Note: even a bite from a 'virtually harmless' or non-venomous reptile can result in serious complications. Play it safe and don't get bitten by anything.
Notes and disclaimer
This information may not be complete. While all care is taken to ensure the accuracy of the information in this page, primary sources should always be consulted for definitive information. Animals have an endearing habit of disobeying the rules, so the information on this page should be interpreted with a degree of flexibility.
The author and site operator accepts no responsibility for any losses or damages incurred through using this web site or the information contained herein. Don't get bitten by anything!
This page may be cited as:
  Fordonia leucobalia at the Australian Reptile Online Database. Last updated 2017-06-14 15:18:49.
  Retrieved from on the 25th of September, 2021.
Before citing information contained in AROD, please read our Citing AROD page.

Copyright notice
This page, its content and layout are copyright © 2007-2021 Stewart Macdonald / Ug Media, unless otherwise stated.
All photographs in The Australian Reptile Online Database are © the photographer and may not be reproduced in any form without the express written consent of the photographer.
No part of The Australian Reptile Online Database may be reproduced without written permission from Stewart Macdonald.
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