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.
Rain Forest Predators. The black caiman of the Amazon rainforest is often mistaken for an alligator, which it closely resembles. However, true alligators only live in two places in the world, and neither is a rainforest environment: the Southeastern US and the Yangtze River in China. The black caiman (Melanosuchus niger) is the largest of the six caiman species, reaching a length of almost 17 feet (5 meters).