In general, native predators represent a less serious threat to the marine iguana. The marine iguana is adapted for life in the sea. The marine iguana lacks agility on land but is a graceful swimmer. The marine iguana ("Amblyrhynchus cristatus") is a lekking reptile. The marine iguana, "Amblyrhynchus cristatus", feeds primarily on algae. A marine iguana typically eats about dry weight or fresh weight of algae per day. The smallest marine iguana in the archipelago lives here. The marine iguana was first described in 1825 as "Amblyrhynchus cristatus" by Thomas Bell.