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The Russian tortoise (Testudo horsfieldii), also commonly known as the Afghan tortoise, the Central Asian tortoise, the four-clawed tortoise, the four-toed tortoise, Horsfield's tortoise, the Russian steppe tortoise, the Soviet Tortoise, and the steppe tortoise, [3] [4] is a threatened species of tortoise in the family Testudinidae.
A tortoiseshell ornament from Micronesia Cabinet with tortoiseshell veneers French singing bird box with a case made out of tortoiseshell.. Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill sea turtle, which is a critically endangered species according to the IUCN Red List largely because of its ...
In the wild, the shell may be melted or abraded off by the elements, and if not, then the baby tortoise will just become another victim of predation or unfeeling Mother Nature.
Pyramiding is a shell deformity of captive tortoises, in which the shell grows unevenly resulting in a pyramid shape underlying each scute. Factors which may contribute to pyramiding include inadequate water supply; the consumption of excessive animal or vegetable protein ; inadequate calcium , UVB and/or vitamin D3 ; poor nutrition.
Russian tortoise or Horsfield's tortoise, T. horsfieldii [1] Subspecies: Central Asian tortoise, T. horsfieldii horsfieldii; Fergana Valley steppe tortoise, T. horsfieldii bogdanovi; Kazakhstan steppe tortoise, T. horsfieldii kazakhstanica; Turkmenistan steppe tortoise, T. horsfieldii kuznetzovi; Kopet-Dag steppe tortoise, T. horsfieldii rustamovi
The tortoise is a favored motif by netsuke-carvers and other artisans, and is featured in traditional Japanese wedding ceremonies. [2] There is also a well-known artistic pattern based on the nearly hexagonal shape of a tortoise's shell. These patterns are usually composed of symmetrical hexagons, sometimes with smaller hexagons within them. [40]
All turtles fertilize internally; mounting and copulation can be difficult. In many species, males have a concave plastron that interlocks with the female's carapace. In species like the Russian tortoise, the male has a lighter shell and longer legs. The high, rounded shape of box turtles are particular obstacles for mounting.
A Greek tortoise shell opened to show the skeleton from below Main article: Turtle shell The carapace is the dorsal (back) convex part of the shell structure of a turtle , consisting primarily of the animal's rib cage, dermal armor, and scutes .