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Monday, 20 May 2013

Turtles tortoises and terrapins in Cambodia

Asiatic softshell turtle

 

(Amyda cartilaginea) or black rayed softshell turtleis found in Borneo, Brunei, Cambodia, northeastern India, Indonesia, Java, Kalimantan, Laos, Malaysia, Myanmar, Sabah, Sarawak, Singapore, Thailand, and Vietnam. It prefers wetlands such as marshes, swamps, and large muddy rivers at lower elevations. It preys on water insects, shrimps, fishes, and frogs. Adult females lay eggs in holes on riverbanks.  carapace length of 70 cm (27½ inches). The oval carapace has rounded sides, and the head is relatively narrow. This species exhibits sexual dimorphism in the color of the plastron, which is white in males, gray in females. The spherical eggs are 21-33 mm (⅞-1¼ inch) in diameter. The number of eggs laid in a clutch varies from 4 to 8.

 

 

 

Cantor's giant softshell turtle

The Cantor's giant softshell turtle (Pelochelys cantorii) or Asian giant softshell turtle is a species of freshwater turtle. The turtle has a broad head and small eyes close to the tip of its snout. The carapace is smooth and olive-colored. Juveniles may have dark-spotted carapaces and heads, with yellow around the carapace.
Cantor's giant soft-shelled turtles can grow up to 6 ft (about 2 m) in length. P. cantorii is an ambush predator and primarily carnivorous, feeding on crustaceans, mollusks and fish (although some aquatic plants may also be eaten). The turtle spends 95% of its life buried and motionless, with only its eyes and mouth protruding from the sand. It surfaces only twice a day to take a breath, and lays 20-28 eggs (about 1.2 to 1.4 inches [3.0-3.5 cm] in diameter) in February or March on riverbanks.

The turtle is found primarily in inland, slow-moving, freshwater rivers and streams. Some evidence indicates its range extends to coastal areas, as well. The turtle is found in eastern and southern India, Bangladesh, Burma, Thailand, Malaysia, Cambodia, Vietnam, eastern and southern China, Singapore (extirpated), the Philippines (Luzon and Mindanao) and Indonesia (Kalimantan, Java and Sumatra).




 

Elongated tortoise

(Indotestudo elongata). Typically, Indotestudo elongata are around 30 cm (12 inches) long and 3.5 kg (7 pounds) as an adult. Females tend to be wider than males and more rounded. Males also have a tail that is much larger than that of the female. The males have a concave plastron while the plastron of a female is flat. Additionally, the female's posterior claws are markedly longer and more curved than those of the male. It is believed that this is to facilitate nest building.

The species is found in Nepal, Bangladesh, India (Jalpaiguri, East Bengal, and Singhbhum in Bihar), Burma (or Myanmar), Laos, Thailand (incl. Phuket), Cambodia, Vietnam, West Malaysia, South China

 

Asian forest tortoise

(Manouria emys), also known as Asian brown tortoise, is a species of tortoise found in India (Assam), Bangladesh, Burma (or Myanmar), Thailand, Malaysia and Indonesia (Sumatra, Borneo). The largest tortoise in mainland Asia; the large adult of the northern subspecies, Manouria emys phayrei, can reach 25 kg in the wild and much more than that in captivity.  

This is the only tortoise which lays its eggs above ground in a nest, which the female constructs of leaf litter. The female uses both front and rear legs to gather material for the nest and lays up to 50 eggs deep inside it. She then sits on and near the nest to protect it, and will 'chase' predators and intruders away.

 

 


Northern river terrapin

 

Batagur baska, is a species of riverine turtle. It is one of the most critically endangered turtle species according to a 2000 assessment by the IUCN. Maximum carapace length is 60 cm. The Batagur baska is found only in parts of India (West Bengal and Orissa), Bangladesh, Myanmar, Cambodia(?)

 

 

 

 

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