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The black roughneck is a medium to large monitor. It usually reaches an average adult size of 3–4 ft. (90–120 cm), with a maximum length of 5 feet (150 cm), reported. [ 8 ] The black rough-necked monitor can be easily recognized by large pointed scales adorning the necks of adults. [ 4 ]
The most commonly kept monitors are the savannah monitor and Ackie dwarf monitor, due to their relatively small size, low cost, and relatively calm dispositions with regular handling. [3] Among others, black-throated , Timor , Asian water , Nile , mangrove , emerald tree , black tree , roughneck , Dumeril's , peach-throated , crocodile , and ...
The Northern Sierra Madre forest monitor (Varanus bitatawa), also known by the local names bitatawa, baritatawa, and butikaw, is a large, arboreal, frugivorous lizard of the genus Varanus. [ 2 ] [ 3 ]
On the dorsal surface of young monitors, there are a series of yellow spots with dark transverse bars connecting them. As they mature, the ground colour becomes light brown or grey, and dark spots give them a speckled appearance. Clouded monitor hatchlings by comparison tend to have a series of backward-pointing, V-shaped bands on their necks. [5]
The black rough-necked monitor (V. rudicollis) was previously in the closely related subgenus Empagusia, but genomic analyses show it is actually the basalmost member of Soterosaurus, having split from the V. salvator species complex (which is composed of all the other Southeast Asian water monitor species) 14 million years ago during the middle Miocene.
Mitchell's water monitor reaches a length of up to 70 cm (28 in). It has a long, slender neck and a pointed head. It is generally dark brown or black and has small yellow and white spots covering the limbs and head, and ocelli with dark centers as well as yellow stripes along its side. [8] [2] The skin is rough, with many wrinkles. Its ...
The Dampier Peninsula monitor or Dampier Peninsula goanna (Varanus sparnus), described in 2014, is the smallest known species of monitor lizard, growing up to 16.3 grams with a length of almost 23 cm and a SVL (snout to vent length) of 116 mm.
Desert monitors normally display a variety of body coloration from light brown and yellow to grey. They average about one meter in length, but can reach total body lengths of almost two meters. These lizards can also have horizontal bands on either their backs or tails, along with yellow spots across their backs.