Vietnamese three-striped box turtle
| Vietnamese three-striped box turtle | |
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| File:Meieri2.jpg | |
| Vietnamese Three-striped Box Turtle Cuora cyclornata | |
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| Species: | C. cyclornata
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| Cuora cyclornata | |
The Vietnamese three-striped box turtle (Cuora cyclornata) also known as green rice turtle in China, is a species of the southeast Asian Genus Cuora (family Geoemydidae). It is distributed from the extreme southern part of the Chinese Guangxi Province southwards to central Vietnam and central Laos People's Democratic Republic. This species reaches up to 30 cm straight carapace length and is thus the largest Cuora species. Due to demand of Chinese TCM this species is nearly extinct in the wild but is readily bred in Chinese turtle farms (Zhou et al. 2007). Extremly high prices are paid for this species in China. It can be distinguished from Cuora trifasciata by its larger size and generally more oval or rounder shell, which is usually also flater, a white, pink or orange chin and head coloration with a orange-brownish-olive dorsal head pattern and less black pigments. See also below
Two subspecies are currently recognized:
1. The Central Vietnamese three-striped box turtle (Cuora cyclornata cyclornata) BLANCK, MCCORD & LE (2006) Occuring in Central Vietnam and adjacent Laos, this subspecies can easily be distinguished from Cuora trifasciata and C.cyclornata meieri by its orange chin, its round carapace appearance, the Cuora mccordi/ Boletus like plastral pattern i.e. a generally large black blotch extending from the Anal scutes to the pectorals (in C.trifasciata & C.c.meieri extending to the gulars) with a thin black vertical black stripe along the pectoral-humeral suture only and two separated black longitudinal bars on the gular scutes. This subspecies can reach a carapace length of up to 25cm, males are smaller than females (as usual in Cuora species).
2. The northern Vietnamese or Meiers three-striped box turtle (Cuora cyclornata meieri) BLANCK, MCCORD & LE (2006) Occuring in extreme southwestern Guangxi Province, China and adjacent northern Vietnam, this subspecies can be differentiated from the C.cyclornata cyclornata and C.trifasciata by the oval shell shape, a white to pinkish chin, rounded humeral-pectoral sutures and a filled Boletus plastral pattern. This subspecies can reach a carapace length of up to 30cm, males are smaller than females (as usual in Cuora species)
References
- Blanck, T., W.P. Mccord & M. Le (2006): On the Variability of Cuora trifasciata. Edition Chimaira. 153pp.
- Zhou, T.; McCord, W.; Blanck, T. & Li, P.P. 2007. Cuora trifasciata and Cuora cyclornata - captive breeding in China. Reptilia (GB) (50): 68-73
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