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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.
Geoemyda is a genus of freshwater turtles in the family Geoemydidae (formerly Bataguridae). It contains two species: [1] Ryukyu black-breasted leaf turtle, Geoemyda japonica; Black-breasted leaf turtle, Geoemyda spengleri; Geoemyda was used as a "wastebin taxon" in former times, uniting a number of distinct lineages of forest turtles from East ...
The spiny softshell can be found in bodies of fresh water including ponds, lakes, rivers, tributaries, and streams. They can persist in more urban environments as they are well adapted to periodic habitat disturbances. [9] They inhabit shallow water less than 1 m (3 ft 3 in) deep, but can also be found as far as 10 m (33 ft) deep.
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 northern river terrapin is one of Asia's largest freshwater and brackwater turtles, reaching a carapace length of up to 60 cm and a maximum weight of 18 kg. [4] Its carapace is moderately depressed, with a vertebral keel in juveniles. The plastron is large, strongly angulate laterally in the young, convex in the adult. The head is rather ...
However, by the late 20th century, few turtles were raised for food in the United States, and American restaurants mostly relied on wild-caught turtles. [12] Still, a turtle farm operated in Iowa as of 1999, [25] and in 2012, red-ear sliders raised in Oklahoma were reported to be sold in Virginia and Maryland's Asian supermarkets. [26]
In 1999, 2000, and 2005, turtles re-emerged from Hoan Kiem Lake in Hanoi and were seen by a large audience and caught on film. Only a single turtle was believed to be left in the lake. [ 20 ] In April 2011, it was captured because it had open sores (possibly due to refuse and pollution in the lake, injuries from fishing hooks or other turtles ...
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. [22]