Running on water
The basilisk sometimes runs as a biped. Basilisks have the unique ability to "run" on water. On water, the basilisk can run at a velocity of 1.5 meters (4.9 feet) per second for approximately 4.5 meters (14.8 feet) before sinking on all fours and swimming. Flaps between their toes help support the basilisk, creating a larger surface and a pocket of air. They can also sustain themselves on all fours while "water-walking" to increase the distance travelled above the surface by about 1.3 meters (4.3 feet).
Abundant in the tropical rain forests of Central and South America, from southern Mexico to Ecuador and Venezuela. Recently introduced to Florida, it has adapted to the colder winters by burrowing into the leaf litter for warmth. Current reports sight the basilisk as far north as Fort Pierce, on the state's East Coast, where small groups have crept up the North Fork of the Saint Lucie River.
Physiology
The basilisk has blue spots and a yellow iris, on average measures 70 to 75 mm (2.8–3.0 in), and weighs about 80 grams (3.2 oz). Its growth is perpetual, fast when they are young and nonlinear for mature basilisks. Its long crest-like sails, reinforced in three distinct points (head, back, and tail), confer the impression of creatures such as Dimetrodon and Edaphosaurus. Its skin is shed in pieces.
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