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A lizard tail shed by autotomy An autotomised skink tail exhibiting continued movement The conspicuous change in the tail pattern of this marbled gecko indicates regeneration after autotomy. Some lizards, [4] [5] salamanders [6] [7] [8] and tuatara [9] when caught by the tail will shed part of it in attempting to escape.
The ability and degree of regeneration in reptiles differs among the various species (see [111]), but the most notable and well-studied occurrence is tail-regeneration in lizards. [112] [113] [114] In addition to lizards, regeneration has been observed in the tails and maxillary bone of crocodiles and adult neurogenesis has also been noted.
Tropidophorus grayi, commonly called the spiny waterside skink, [1] Gray's keeled skink, Gray's water skink, and the Philippine spiny stream skink is a relatively abundant but secretive skink species, a lizard in the family Scincidae.
The tail serves purposes such as balance and defense. [8] The neck is marked with a series of mostly vertical, or highly irregular, white marks, with white markings on posterior corners of scales. Palatine teeth are present. [9] Dorsally, older specimens have a pattern consisting of numerous longitudinal dark lines or dashes. Occasionally ...
Nevertheless, lateral undulation cannot be disregarded as a potential swimming style; vertebrae near the hips have extended transverse processes, which are associated with powerful undulating tail muscles in reptiles such as crocodilians. Tail movements may be more effective for swimming than paddling or thrusting with the hindlimbs, since the ...
It is the official state reptile of New Mexico. [2] It is one of many lizard species known to be parthenogenetic . Individuals of the species can be created either through the hybridization of the little striped whiptail ( A. inornatus ) and the western whiptail ( A. tigris ), [ 3 ] or through the parthenogenetic reproduction of an adult New ...
The desert grassland whiptail lizard is a relatively small reptile, whose size ranges from 2 + 3 ⁄ 4 to 5 + 1 ⁄ 4 inches (7.0 to 13.3 cm). [8] Desert grassland whiptails are very long and slim, with a thin tail that is longer than their body length. Their distinct identifying feature are the six yellowish lines that run the length of their ...
At a small tilt angle, the lift is greater for flat fish than it is for fish with narrow bodies. Narrow-bodied fish use their fins as hydrofoils while their bodies remain horizontal. In sharks, the heterocercal tail shape drives water downward, creating a counteracting upward force while thrusting the shark forward. The lift generated is ...