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Siamese crocodile farm on Tonle Sap in Cambodia. Illegal capture of wild crocodiles for supply to farms is an ongoing threat, as well as incidental capture/drowning in fishing nets and traps. [11] The Siamese crocodile currently has extremely low and fragmented remaining populations with little proven reproduction in the wild. [30]
Siamese crocodiles are a freshwater species that can grow up to 4 meters (13.1 feet) in length. They have a prominent bony crest at the back of the head, and were once present in much of mainland ...
The highly adaptable American alligator is found in swamps, rivers and lakes with clear or turbid water. Crocodiles live in marshes, lakes and rivers, and can live in saline environments including estuaries and mangrove swamps. [115] American and saltwater crocodiles swim out to sea, [119] [118] no crocodilian species can be considered truly ...
Three extant crocodilian species clockwise from top-left: saltwater crocodile (Crocodylus porosus), American alligator (Alligator mississippiensis), and gharial (Gavialis gangeticus) Crocodilia is an order of mostly large, predatory , semiaquatic reptiles , which includes true crocodiles , the alligators , and caimans ; as well as the gharial ...
The longest crocodile captured alive was Lolong, a saltwater crocodile which was measured at 6.17 m (20.2 ft) and weighed at 1,075 kg (2,370 lb) by a National Geographic team in Agusan del Sur Province, Philippines. [38] [39] [40]
Cladistically, it is defined as Crocodylus niloticus (the Nile crocodile) and all crocodylians more closely related to C. niloticus than to either Alligator mississippiensis (the American alligator) or Gavialis gangeticus (the gharial). [5] This is a stem-based definition for crocodiles, and is more inclusive than the crown group Crocodylidae. [3]
A Thai crocodile farmer who goes by the nickname “Crocodile X” said he killed more than 100 critically endangered reptiles to prevent them from escaping after a typhoon damaged their enclosure.
The generic name, Crocodylus, was proposed by Josephus Nicolaus Laurenti in 1768. [2] Crocodylus contains 13–14 extant (living) species and 5 extinct species. There are additional extinct species attributed to the genus Crocodylus that studies have shown no longer belong, although they have not yet been reassigned to new genera.