Marine Iguana
The Marine Iguana (Amblyrhynchus cristatus) is a species of iguana found only on the Galapagos Islands. It is the only modern lizard that forages in the sea, feeding on algae.
The Marine Iguana is a master of adaptation, capable of diving to depths of 30 feet to feed. When it returns to land, it must bask in the sun to warm its body back up.
The Marine Iguana has a unique salt gland that allows it to expel excess salt from its body. It is a crucial part of the Galapagos ecosystem and a testament to the power of adaptation.
Marine Iguana
Native To
Conservation Status
Average Height
1.5 - 2 feet
(0.5 - 0.6 m)
Average Weight
1 - 3 lbs
(0.5 - 1.4 kg)
Average Life Span
25 years
Gestation Period
80 - 100 days
Did You Know?
The Marine Iguana is the only lizard in the world that forages in the sea.
They can hold their breath for up to 10 minutes and dive to depths of over 30 feet to feed on algae.
Marine Iguanas have specialized glands that allow them to "sneeze" out excess salt, which helps them regulate their body's salt balance.
Their dark skin helps them absorb heat quickly from the sun after cold dives in the ocean.
They are endemic to the Galápagos Islands.
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