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Marine Iguana

Amblyrhynchus cristatus

  • Family: Iguanidae
  • Adult Size: Up to about 30 inches
  • Range: Galapagos Islands
  • Habitat: Rocky seashores
  • Captive Lifespan: Not Applicable
  • Dangerous:
  • Care Level: Not Applicable


No one has ever successfully kept these ultra-specialized lizards outside their native turf. They are dependent on living in a unique maritime habitat and eating algae in the ocean that can’t be duplicated in a captive situation. They actually dive beneath the surface to rasp algae from rocks – the sole food item that sustains them. Plan a visit to the Galapagos Islands some time in your life if you wish to see these living dinosaurs.

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