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Crocodile longevity is not well established, but larger species like the Nile crocodile live longer, and may have a potential average life span [disambiguation needed] of 70 to 100 years, though no crocodilian species commonly exceeds a lifespan of 50 to 60 years in captivity.
Crocodiles (family Crocodylidae) or true crocodiles are large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.The term crocodile is sometimes used even more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (family Alligatoridae), the gharial and false gharial (family Gavialidae) among ...
In general, at the smallest sizes (0.3–1 m (1 ft 0 in – 3 ft 3 in)), Nile crocodiles were most likely to have full stomachs (17.4% full per Cott); adults at 3–4 m (9 ft 10 in – 13 ft 1 in) in length were most likely to have empty stomachs (20.2%). In the largest size range studied by Cott, 4–5 m (13 ft 1 in – 16 ft 5 in), they were ...
However, even females will not reach proper sexual maturity for another 10 years. Saltwater crocodiles that survive to adulthood can attain a very long maximum life span, with an estimated life expectancy upwards of 70 years, and some individuals possibly exceed 100 years, although no such extreme ages have been verified for any crocodilian. [9 ...
Giant barrel sponges can live more than 2,000 years. The giant barrel sponge Xestospongia muta is one of the longest-lived animals, with the largest specimens in the Caribbean estimated to be more than 2,300 years old. [68] The black coral Antipatharia in the Gulf of Mexico may live more than 2,000 years.
Compared to the Nile crocodile, which can grow over 5 m (16 ft 5 in) in length, the West African crocodile is smaller. It typically grows between 2 and 3 m (6 ft 7 in and 9 ft 10 in) in length, with an occasional male growing over 4 m (13 ft 1 in) in rare cases. [12] Adults weigh between 90 and 250 kg (200 and 550 lb), with particularly large ...
Crocodylinae was cladistically defined by Christopher Brochu in 1999 as Crocodylus niloticus (the Nile crocodile) and all crocodylians more closely related to it than to Osteolaemus tetraspis (the Dwarf crocodile). [1][2] This is a stem-based definition, and is the sister taxon to Osteolaeminae. Crocodylinae contains the extant genus Crocodylus.
The species has a high adult survival rate and a long life span. [25] Like all true crocodilians, the American crocodile is a quadruped, with short, stocky legs; a long, powerful tail; and a scaly hide with rows of ossified scutes running down its back and tail. [26] Individuals can be identified by using multiple dorsal scute patterns. [27]