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Classification: Reptile. IUCN status: Endangered. Lifespan (in wild): Up to 80 years. Weight: 65-130kg. Body length: 1-1.2m. Diet: Herbivores. Habitat: Ocean. Range: Green sea turtles are one of the world’s largest species of turtle, weighing around 65-130kg and measuring between 1-1.2m long.
Green sea turtles are the world’s largest species of hard-shelled sea turtle. While most individuals weigh about 300 to 400 pounds (136 to 181 kilograms), some can be as heavy as 440 pounds...
- Taxonomy
- Description
- Distribution
- Habitat
- Ecology and Behavior
- Physiology and Sensory Modalities
- Unique Characteristics and Features
- Importance to Humans
- Conservation
- Genetics
The green sea turtle is a member of the tribeCheloniini. The species was originally described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae as Testudo mydas. The species' common name does not derive from any particular green external coloration of the turtle. Its name comes from the greenish color of the turtles' fat, which ...
Its appearance is that of a typical sea turtle. C. mydas has a dorsoventrally flattened body, a beaked head at the end of a short neck, and paddle-like arms well-adapted for swimming. Adult green turtles grow to 1.5 metres (5 ft) long. The average weight of mature individuals is 68–190 kg (150–419 lb) and the average carapace length is 78–112 cm (3...
The range of the green sea turtle extends throughout tropical and subtropical oceans worldwide. The two major subpopulations are the Atlantic and the eastern Pacific subpopulations. Each population is genetically distinct, with its own set of nesting and feeding grounds within the population's known range. One of the genetic differences between the...
Green sea turtles move across three habitat types, depending on their life stage. They lay eggs on beaches. Mature turtles spend most of their time in shallow, coastal waters with lush seagrass beds. Adults frequent inshore bays, lagoons, and shoals with lush seagrass meadows. Entire generations often migrate between one pair of feeding and nesting...
As one of the first sea turtle species studied, much of what is known of sea turtle ecology comes from studies of green turtles. The ecology of C. mydas changes drastically with each stage of its life history. Newly emerged hatchlings are carnivorous, pelagic organisms, part of the open ocean mininekton. In contrast, immature juveniles and adults a...
Green sea turtles tend to have good vision, well adapted to a life at sea. The turtles can see many colors, but are most sensitive to light from violet to yellow or wavelengths of 400 to 600 nanometers. They do not see many colors in the orange to red portion of the light spectrum. On land, however, the sea turtles are nearsighted because the lense...
The green sea turtles exhibit sex differences by their development and appearance. As adult turtles, males are easily distinguishable from the females by having a longer tail (visibly extending past the shell) and longer claws on the front flippers. The hatching time and sex of the turtles are determined by the incubation temperature of the nest. H...
Historically, the turtles' skin was tanned and used to make handbags, especially in Hawaii. Ancient Chinese considered the flesh of sea turtles a culinary delicacy, including and especially C. mydas. Particularly for this species, the turtle's fat, cartilage, and flesh, known as calipee, are sought as ingredients for making turtle soup, a popular 1...
In recent decades, sea turtles have moved from unrestricted exploitation to global protection, with individual countries providing additional protection, although serious threats remain unabated. All populations are considered "threatened".
The genome of Chelonia mydaswas sequenced in 2013 to examine the development and evolution of the turtle body plan.
Mar 1, 2018 · Animal Family: Cheloniidae. Where Found: Tropical and subtropical oceans around the world. Length: carapace (shell) length 78–112 cm (31–44 in) Weight: 68–190 kg (150–419 lb.) Conservation Status: Endangered. Other interesting Green Sea Turtle facts: In Hawaii the green sea turtle is known as honu.
Green Sea Turtle. When born, green sea turtles are only 5 cm (2 in) long. But they grow up to 1.5 meters (5 ft) in length and can weigh over 300 kg (700 lbs), making them the largest of the hardshell sea turtles. The dorsal shell of the green turtle, or carapace, is wide, smooth, and brownish-olive in color.
Green Sea Turtle is the largest hard-shelled sea turtle and second-largest of all sea turtles in the world. This turtle is highly migratory and swims at a speed of 15 mph. Besides, it covers a journey of 3,000 miles quite easily.
Status and Conservation. Green sea turtles are endangered and face a wide range of threats throughout their habitat. They can become entangled in marine debris like fishing nets or plastic strapping bands, which could cause them to drown. They also often mistake other debris like plastic bags or little plastic fragments as food.
