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Three possibilities have arisen from their unique characteristics: agassizii is a separate species from C. mydas, it is a subspecies of green sea turtle, or it is simply a color mutation. [59] These facts have led to the debate over binomial separation however due to the significance of the DNA testing results there have been no distinctions ...
In contrast to their earth-bound relatives, tortoises, sea turtles do not have the ability to retract their heads into their shells. Their plastron, which is the bony plate making up the underside of a turtle or tortoise's shell, is comparably more reduced from other turtle species and is connected to the top part of the shell by ligaments without a hinge separating the pectoral and abdominal ...
The diet of green sea turtles changes with age. [76] Juveniles are omnivorous, but as they mature they become exclusively herbivorous. [73] [76] This diet shift has an effect on the green sea turtle's morphology. [77] [78] Green sea turtles have a serrated jaw that is used to eat sea grass and algae. [79]
The southern South Asia region has recorded 89 deaths from (primarily hawksbill and green) sea turtle poisoning from 1840 to 1983, mainly in Tamil Nadu and northern and western Sri Lanka. [ 2 ] Chelonitoxism can be deadly, and supportive treatment is the only treatment available; there is no known antidote .
The turtle shell is a shield for the ventral and dorsal parts of turtles (the order Testudines), completely enclosing all the vital organs of the turtle and in some cases even the head. [1] It is constructed of modified bony elements such as the ribs, parts of the pelvis and other bones found in most reptiles.
Pig-nosed turtle: Pig-nosed turtle (Carettochelys insculpta) Cheloniidae Oppel, 1811: 6: Sea turtles: Green sea turtle (Chelonia mydas) Chelydridae Gray, 1831: 2: Snapping turtles: Alligator snapping turtle (Macrochelys temminckii) Dermatemydidae Gray, 1870 : 1: Central American river turtle: Central American river turtle (Dermatemys mawii ...
Kemp's ridley is the smallest of all sea turtle species, reaching maturity at 58–70 cm (23–28 in) carapace length and weighing only 36–45 kg (79–99 lb). [13] Typical of sea turtles, it has a dorsoventrally depressed body with specially adapted flipper-like front limbs and a beak.
A green sea turtle with significant fibropapilloma tumours basking on a beach north of Haleiwa, HI. Fibropapillomatosis is a benign tumour disease of marine turtles, predominantly in the green sea turtle, Chelonia mydas, but it has also been reported in the loggerhead sea turtle Caretta caretta, olive ridley Lepidochelys olivacea, Kemp's ridley Lepidochelys kempii, and leatherbacks Dermochelys ...