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The Komodo dragon is also sometimes known as the Komodo monitor or the Komodo Island monitor in scientific literature, [14] although these names are uncommon. To the natives of Komodo Island , it is referred to as ora , buaya darat ('land crocodile'), or biawak raksasa ('giant monitor').
The ZW sex-determination system is a chromosomal system that determines the sex of offspring in birds, some fish and crustaceans such as the giant river prawn, some insects (including butterflies and moths), the schistosome family of flatworms, and some reptiles, e.g. majority of snakes, lacertid lizards and monitors, including Komodo dragons.
A juvenile male komodo dragon, Varanus komodoensis, at the Chester Zoo. Females of the species can occasionally reproduce through parthenogenesis. Facultative parthenogenesis is the type of parthenogenesis when a female individual can reproduce via both sexual and asexual reproduction. [13]
A young Komodo dragon, Varanus komodoensis, produced through parthenogenesis. Komodo dragons can produce offspring both through sexual reproduction and parthenogenesis. Parthenogenesis is a form of asexual reproduction in which the embryo develops directly from an egg without need for fertilization.
The largest males from Komodo, may reach more 80 kg (176.3 lb). The largest specimen of Komodo dragon, a large male from Loh Liang National Park with length of 3.04 m (10.0 ft), a SVL of 1.54 m (5.1 ft) and a mass in 81.5 kg (178.5 lb). [2] [3] As stated above, females are generally much smaller than males.
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Parthenogenesis was also recorded in species that normally reproduce sexually. A captive female Komodo dragon produced a clutch of eggs, despite being separated from males for over two years. [26] Sex determination in lizards can be temperature-dependent. The temperature of the eggs' micro-environment can determine the sex of the hatched young ...
The adult length of extant species ranges from 20 cm (7.9 in) in some species such as Varanus sparnus, to over 3 m (10 ft) in the case of the Komodo dragon, though the extinct megalania (Varanus priscus) may have reached lengths of more than 7 m (23 ft).