ExploreReptile

Galápagos Marine Iguana

Amblyrhynchus cristatus

The Galápagos Marine Iguana is a unique lizard that can swim in the ocean. It has dark skin and spiky crests on its back. These iguanas love basking in the sun on rocky shores.

Habitat: Coastal areas

Appearance

The Galápagos Marine Iguana is a uniquely dark-colored lizard, often black or mottled grey, with some individuals displaying reddish or greenish hues during breeding. It has a prominent spiky dorsal crest, a blunt snout, and a flattened, paddle-like tail, making it visually distinct from land iguanas.

KingdomAnimaliaPhylumChordataClassSquamataOrderLacertiliaFamilyIguanidaeGenusAmblyrhynchus
Galápagos Marine Iguana
wildlife trait badgeherbivorous trait badgethermoregulating trait badgevolcanic trait badge
Galápagos Marine Iguana

Category

Reptile

Rarity

Common

Danger

1/5

Snaps

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Interesting facts

Male marine iguanas turn stunning shades of red and green during breeding season to attract mates.

Marine iguanas can shrink their own body length and bone size when food is scarce, then grow back!

Their unique, comb-like teeth are perfect for scraping tough algae off underwater volcanic rocks.

They often pile on top of each other in 'iguana pyramids' to share warmth from the sun after swimming.

Special abilities

Ability

Salt Expeller

Galápagos Marine Iguana has special nasal glands that help them filter and expel excess salt, allowing them to drink seawater.

Ability

Underwater Grazer

Galápagos Marine Iguana can dive deep to scrape algae because of its sharp, serrated teeth and flattened tail for propulsion.

Ability

Solar Charger

Galápagos Marine Iguana has very dark skin that helps them absorb maximum heat from the sun after cold dives.

Ability

Rock Gripper

Galápagos Marine Iguana has powerful claws that help them cling to slippery rocks, even in strong ocean currents.

Measurements & details

Length
50-130 cm
Weight
0.5-10 kg
Lifespan
10-20 years
Top Speed
12 km/h
Swim Speed
15 km/h
Clutch Size
1-4
Incubation
90-120 days
Max Depth
15 m

Diet & Feeding

They are vegetarians of the sea, primarily munching on algae scraped from underwater rocks.

Primary Foods

  • red algae
  • green algae
  • seaweed

Foraging Method

  • Grazing

Ecological connections

eaten by

Galápagos Hawk

Buteo galapagoensis

Hunts adults and juveniles.

eaten by

Lava Heron

Butorides sundevalli

Preys on hatchlings and small juveniles.

eaten by

Domestic Cat

Felis catus

Introduced predator hunting juveniles.

Traits

Also known as

Marine Iguana

Collections

Safety

Danger

1/5

Do not disturb marine iguanas in their natural habitat to keep them safe.

Frequently Asked Questions

How long is Galápagos Marine Iguana?

50-130 cm

How much does Galápagos Marine Iguana weigh?

0.5-10 kg

How long does Galápagos Marine Iguana live?

10-20 years

How fast can Galápagos Marine Iguana move?

12 km/h

What does Galápagos Marine Iguana eat?

They are vegetarians of the sea, primarily munching on algae scraped from underwater rocks.

How fast can Galápagos Marine Iguana swim?

15 km/h

Where is Galápagos Marine Iguana usually found?

Coastal areas

How does Galápagos Marine Iguana hunt?

Grazing

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