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Phelsuma
''Phelsuma'' is a large genus of mostly small lizards in the family Gekkonidae. Species in the genus ''Phelsuma'' are commonly referred to as day geckos.
==Description==
In contrast to most other gecko species, day geckos are active mainly during the day. Other diurnal geckos include species of the genera ''Lygodactylus'' and ''Gonatodes''. As with all other geckos, day geckos lack eyelids, having, instead, rounded pupils and a clear, fixed plate covering their eyes which they clean with their tongues. Many species have bright green, red, and blue colors which make them popular terrarium or vivarium pets. These brilliant colors play a role in intraspecies recognition and also serve as camouflage.
The length of the different ''Phelsuma'' species varies between about , but the extinct Rodrigues giant day gecko was even larger. Day geckos have toe pads consisting of tiny lamellae which allow them to walk on plain vertical and inverted surfaces like bamboo or glass. The inner toe on each foot is vestigial. Males have well-developed femoral pores on the undersurface of their rear limbs. These pores are less developed or absent in females. Females often have well-developed endolymphatic chalk sacs on the sides of their necks. These sacs store calcium, which is needed for egg production. Those eggs can often be seen through the ventral surface of the female's body shortly before they are laid. The hatchlings reach sexual maturity between six and 12 months old. Smaller species may live up to 10 years, whereas the larger species have been reported to live more than 20 years in captivity.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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