A tag SNP is a representative single-nucleotide polymorphism (SNP's) in a region of the genome with high linkage disequilibrium (the non-random association of alleles at two or more loci).
Although the caimans have much narrower bodies, they are most closely related to alligators and crocodiles. Caimans are found in a variety of habitats throughout Central and South America from marshes and swamps to mangrove rivers and lakes.he average length for most of the other caiman species if about 2.5 meters long. The caiman is a carnivorous predators and, like the alligator and the crocodile, the caiman has a diet that consists of a great deal of fish.
Besides the three species in Caiman, there are the smooth-fronted caimans in genus Paleosuchus and the black caiman in Melanosuchus. Caimans tend to be more agile and crocodile-like in their movements, and have longer, sharper teeth than alligators. C. crocodilus, the spectacled caiman, has the widest distribution, from southern Mexico to the northern half of Argentina, and grows to a modest size of about 2.2 metres (7 ft 3 in).