Thick-necked Turtle< /p>
Chinese name: thick-necked turtle
Latin name: Siebenrockiella crassicollis
English name: Black Marsh Turtl
Classification position: Animal Kingdom Fauna => Chordat => Vertebrata => REPTILIA => TESTUDINATA => Cryptodira => Emydidae => Batagurinae => Thick-necked turtles Genus Siebnrockiella => Crassicollis
Characteristics:
It is a black freshwater turtle of average size. The rough-necked turtle can pass through the carapace of the larvae. The three ridges on its body (although the adult has only one ridge) are distinguished from other turtles in Borneo. There are also serrated edges on the back of the carapace, and the adult vertebral scute area is flat. Adult males can be identified by their relatively longer and thicker tail, and their plastron is slightly concave. Otherwise, adult females retain light-colored head freckles, while males' freckles will gradually fade as they grow older.
Natural History:
Rough-necked turtles rest in bodies of water with slow or stagnant movement, such as swamps, pools, streams and lakes. It usually hides in the mud at the bottom of the water. Its carnivorous diet includes aquatic animals, such as worms, snails, shrimps and frogs. It is also a scavenger. Although they eat in the water, they also go ashore to eat grass at night. Males shake their heads during courtship to identify themselves to the opposite sex. There are 3 to 4 clutches per year, each clutch lays only 1 to 2 eggs, and the slender eggs measure an average of 45x19mm. The measured length of a hatchling's carapace is approximately 52mm.
Dispersion:
This species is dispersed across southern Myanmar and south to Vietnam, Thailand, Peninsular Malaysia, Singapore, and Sumatra.Koh Rat, Java and Borneo.
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