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Green sea turtles (Chelonia mydas) are considered the largest hard-shell sea turtles. They can grow up to 250 kg but the average is between 110-190 kg and exhibit sexual dimorphism—the males are larger than the females (Earlham College). They can grow up to 120 cm in length, with an average of 83-144 cm.
Green sea turtles can be identified by their smooth carapace (top shell), which can vary in color from yellow, grey, black, green, and brown; the bottom shell (plastron) is usually has a yellwish-white color (SeaTurtlesofIndia.org). In relation to their body size green sea turtles have very small heads.
Green sea turtles can be identified by their smooth carapace (top shell), which can vary in color from yellow, grey, black, green, and brown; the bottom shell (plastron) is usually has a yellwish-white color (SeaTurtlesofIndia.org). In relation to their body size green sea turtles have very small heads.