Salt Water Crocodiles are considered one of the most ferocious and dangerous animals on the planet dating all the way back to the prehistoric age. In this video, a very brave Lion think’s she found her lunch when she crosses paths with the Croc.
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The saltwater crocodile (Crocodylus porosus), also known as the estuarine crocodile, Indo-Pacific crocodile, marine crocodile, sea crocodile or informally as saltie, is the largest of all living reptiles, as well as the largest riparian predator in the world. Males of this species can reach sizes up to 6.30 m (20.7 ft) and possibly up to 7.0 m (23.0 ft) in length. However, an adult male saltwater crocodile rarely reaches or exceeds a size of 6 m (19.7 ft) weighing 1,000 to 1,200 kg (2,200–2,600 lb). Females are much smaller and often do not surpass 3 m (9.8 ft).
As its name implies, this species of crocodile can live in marine environments, but usually resides in saline and brackish mangrove swamps, estuaries, deltas, lagoons, and lower stretches of rivers. They have the broadest distribution of any modern crocodile, ranging from the eastern coast of India throughout most of Southeast Asia and northern Australia. The saltwater crocodile is a large and opportunistic hypercarnivorous apex predator. Most prey are ambushed and then drowned or swallowed whole.
It is capable of prevailing over almost any animal that enters its territory, including other apex predators such as sharks, varieties of freshwater and marine fish including pelagic species, invertebrates such as crustaceans, various reptiles, birds and mammals, including humans. Due to their size, aggression and distribution, saltwater crocodiles are regarded as the most dangerous extant crocodilian to humans, alongside the Nile crocodile.
Incomplete fossil records make it difficult to accurately trace the emergence of the species. The genome was fully sequenced in 2007. The earliest fossil evidence of the species dates to around 4.0–4.5 million years ago and no subspecies are known. Scientists estimate that C. porosus is an ancient species that could have diverged from 12 to 6 million years ago. Genetic research has unsurprisingly indicated that the saltwater crocodile is related relatively closely to other living species of Asian crocodile, although some ambiguity exists over what assemblage it could be considered part of based on variable genetic results.
Other relatively broad-snouted species such as mugger (C. palustris) and Siamese crocodiles (C. siamensis) seem to be the most likely candidates to bear the closest relation among living species. Currently, most sources state that the saltwater crocodile does not have subspecies. However, based largely on morphological variability, some have claimed that not only are there subspecies but that C. porosus actually houses a species complex.
In 1844, S. Müller and H. Schlegel attempted to describe crocodiles from Java and Borneo as a new species which they named C. raninus, subsequently given the informal common names of the Indonesian crocodile or Bornean crocodile. According to Ross (1992), specimens of C. raninus can reliably be distinguished both from Siamese crocodiles and true saltwater crocodiles on the basis of the number ventral scales and on the presence of four postoccipital scutes which are often absent in true saltwater crocodiles.