THE REPTILES OF AUSTRALIA

RING-TAILED / BANDED GECKO'S
Cyrtodactylus tuberculatus & C. abrae (previously louisiadensis)
NOTE THAT THE STATUS OF THESE TWO SPECIES APPEARS TO BE UNCERTAIN

GIANT BANDED (RING-TAILED) GECKO
Cyrtodactylus tuberculatus
Occurs from about the Atherton Tablelands to the Cooktown district, on southern Cape York Peninsula.

This woodland species usually has about 6 body bands and 13 tail rings. Each of the body bands is dark edged and reach all the way down the side of the body. Top of head and limbs not mottled. Tail is held in a vertical curve when at rest

 
juvenile - note that the tail has a horizontal curve, there are 4 body rings and 8 tail rings however the body rings do apper to be darker

 

Giant Banded Gecko Photo's by John Fowler
Note that this has 4? body rings and at least 9 tail rings. The edges of the body bands are darker.
Both the above animals are captive bred as far as I know so there is a very slight possibility they are hybrids!

- RAINFOREST BANDED (RING-TAILED) GECKO
Cyrtodactylus abrae
Found in the Iron Range North Queensland

This rainforest species paler coloration than Cyrtodactylus tuberculatus and and has 4 body bands and 7 rings on the tail - each of the body rings is pale-edged and fade out before reaching the ventrolateral of the body. Top of head and limbs not mottled. Tail is held in a horizontal curve when at rest.

LINKS

Cyrtodactylus tuberculatus (LUCAS & FROST, 1900)
The Reptile Database

RING TAILED GECKO CARE SHEET by John Fowler