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Trionychidae is a family of turtles, commonly known as softshell turtles or simply softshells.The family was described by Leopold Fitzinger in 1826. Softshells include some of the world's largest freshwater turtles, though many can adapt to living in highly brackish waters.
Conservationists have undertaken extensive efforts to locate wild Yangtze giant softshell turtles in the remote regions of China and Vietnam. Key areas of focus include parts of the Red River in Yunnan Province, where locals have reported sightings of large softshell turtles that match the species' description. However, these reports remain ...
The species is endemic to freshwater habitats in the United States. M. temminckii is one of the heaviest living freshwater turtles in the world. [4] It is the largest freshwater species of turtle in North America. [5] It is often associated with, but not closely related to, the common snapping turtle, which is in the genus Chelydra.
The spiny softshell turtle (Apalone spinifera) is a species of softshell turtle, one of the largest freshwater turtle species in North America.Both the common name, spiny softshell, and the specific name, spinifera (spine-bearing), refer to the spiny, cone-like projections on the leading edge of the carapace, which are not scutes (scales).
In 2002, the International Union for Conservation of Nature classified the species as Extinct in the Wild. In 2004, 408 turtles were found in the pond of the Bayazid Bostami shrine. According to the shrine committee staff, 90 more turtles were hatched in the pond in 2007, 74 in 2008, 96 in 2009, 28 in 2010, 45 in 2012 and 40 in 2014. [10]
The protozoan was more prevalent during the rainy season. 27% of the wild turtles had leeches feeding off them, with no apparent detrimental effect on the hosts. The captive turtles were uninfected by both, but more unhealthy in other ways, wild turtles were better fed, bigger, and exhibited no real damage to the shell or major wounds.
The semi-aquatic turtles that spend some time in the water, some on land, tend to have webbed feet with claws, while the fully aquatic marine turtles have flippers – and they can swim fast.
Philippine forest turtles have brown to reddish brown to black carapaces that reach a length of 21 cm (8.3 in). [8] Larger individuals can reach 30 cm (12 in) in length, though this is relatively rare. [9] A dorsal ridge (the keel) is only present in the posterior vertebral scutes or absent altogether. The front margin of the carapace is ...