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The marine iguana (Amblyrhynchus cristatus), also known as the sea iguana, saltwater iguana, or Galápagos marine iguana, is a species of iguana found only on the Galápagos Islands . Unique among modern lizards , it is a marine reptile that has the ability to forage in the sea for algae , which makes up almost all of its diet. [ 3 ]
Marine reptiles are reptiles which have become secondarily adapted for an aquatic or semiaquatic life in a marine environment. Only about 100 of the 12,000 extant reptile species and subspecies are classed as marine reptiles, including marine iguanas , sea snakes , sea turtles and saltwater crocodiles .
Scientists have discovered a 246 million-year-old marine reptile fossil, the oldest of its kind to be found in the Southern Hemisphere, shining a new light on the early evolution of marine mammals.
Marine iguanas are among the world's most unusual creatures. Specially adapted to one of the most harsh and unforgiving environments on earth, they live on lava rock beaches in the Galapagos ...
A modern semi-aquatic lizard: the marine iguana. Modern squamates which have made their own adaptions to allow them to spend significant time in the ocean include marine iguanas and sea snakes. Sea snakes are extensively adapted to the marine environment, giving birth to live offspring and are largely incapable of terrestrial activity.
Charles Darwin made these islands famous when he studied the wildlife there in 1835 and put forth his theory of evolution. Swimming with marine iguanas is a highlight for divers from around the ...
Most iguanas are arboreal, living in trees, but some species tend to be more terrestrial, which means they prefer the ground. Iguanas are typically herbivores and their diets vary based on what plant life is available within their habitat. Iguanas across many species remain oviparious, and exhibit little to no parental care when their eggs ...
Marine Iguanas are the only marine lizard species in the world found only in the Galápagos Islands. They can dive as deep as 30m (98 feet) and hold their breath for 30-40 minutes.