8 fastest reptiles in world

Spiny-tailed Iguana (Ctenosaura pectinata): Clocking in at speeds of up to 31 mph (50 kph), the Spiny-tailed iguana is the undisputed fastest lizard in the world.

Black Mamba (Dendroaspis polylepis): The black mamba is the fastest snake in Africa, slithering at speeds of up to 12.5 mph (20 kph).

Komodo Dragon (Varanus komodoensis): While not the fastest for long distances, the Komodo Dragon can reach speeds of up to 13 mph (21 kph) in short bursts.

 Leatherback Sea Turtle (Dermochelys coriacea): The leatherback sea turtle is the fastest sea turtle, paddling at speeds of up to 22 mph (35 kph).

Yellow-headed Racer (Coluber constrictor flaviventris): The yellow-headed racer is a speedy North American snake, reaching speeds of up to 10 mph. 

Nile Crocodile (Crocodylus niloticus): While not the fastest reptile on land, the Nile crocodile can still outrun a human, reaching speeds of up to 11 mph (18 kph) for short bursts.

Green Iguana (Iguana iguana): The green iguana is a large lizard found in Central and South America.

Basilisk Lizard (Basiliscus basiliscus): Also known as the Jesus lizard, the basilisk lizard can run across water for short distances at speeds of up to 7 mph (11 kph).

This information is not DNA's opinion but obtained from media reports