Get to know the world's only ocean-going lizard
Species: A. cristatus
Range: Endemic to Ecuador’s Galápagos Islands—Isabela, Fernandina, Española, Floreana, Santa Cruz & other islets; in coastal regions along the islands’ rocky shorelines
Population: Unknown but estimated at 200,000-300,000
How to spot them: Spiky dorsal scales; short, blunt snout; sooty black with mottled patches of gray, brown, or buff, except mating season when males turn shades of red, green, and blue (subspecies on Española remain colorful year-round); about 2.5 feet in length on average—big males can reach 5 feet.
IUCN Red List Status: Vulnerable: At high risk of extinction in the wild