Chameleon species 'Brookesia nana' may be the world's smallest reptile species. The male has a total length of 21.6 mm, while the female is 28.9-mm-long. The longest reptile species, the reticulated python, at 6.25 metres is almost as long as 289 Brookesia nanas. On the smaller size, the gecko Sphaerodactylus ariasae is about 20-25% longer than the Brookesia nana.