Is this a good species for beginners?

This species is generally considered suitable for experienced keepers rather than beginners. Their large size, strength, and the need for precise temperature management call for prior reptile-keeping experience before bringing one home.

How big do they get as adults?

Average snout-vent length is around 40cm. Males have been recorded reaching up to 1.6m in total length, while females tend to reach roughly two-thirds that size.

What do Cuban Rock Iguanas eat?

They're herbivores, so their diet centers on vegetables and greens. Rotating the produce you offer helps keep their nutrition balanced.

How long will I be caring for one?

Cuban Rock Iguanas can live 60 to 70 years, making them a remarkably long-lived pet. Before bringing one home, consider carefully whether you can provide a stable environment for the long term.

Can I keep more than one together?

Cuban Rock Iguanas are generally best kept singly. If you're considering housing multiple individuals, make sure you have ample space and compatible temperaments, and consult someone experienced with the species.

Cuban Rock Iguana

The Cuban Rock Iguana is the second-largest species in the genus Cyclura, making it one of the most substantial lizards found anywhere in the Caribbean. Its thick, muscular tail and rows of spiny scales along the cheeks give it an unmistakably rugged appearance. Males develop coloring that ranges from dark gray to brick red as they mature, growing noticeably larger than females. Despite their powerful build, well-kept individuals can become calm and accustomed to their keepers over time. Because of their size and strength, this is a species best suited to experienced keepers with ample enclosure space. With a lifespan that can stretch past 60 years, caring for one is a long-term commitment for those ready to build a lasting relationship with their animal.

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Cuban Rock Iguana key facts

Care level: Advanced
Lifespan: 60-70 years
Size: Average snout-vent length 40cm; males have been recorded at 1.6m total length, with females about two-thirds that size
Temperature
Diet: Mainly plant matter such as purslane, prickly pear, black mangrove and grasses, with animal matter taken occasionally
Temperature & Humidity: It is diurnal and spends a great deal of time basking, so a basking site of 49C or above is regarded as essential, and hatchlings need the same temperatures as adults. It is equally vital that it can cool down at will, so the cool end should not exceed 27C during the day.
Enclosure: An adult needs an enclosure of roughly 240-360 cm long, 120 cm wide and 150-180 cm tall. Adults are not arboreal, but the height allows shelving for basking and visual barriers. Provide basking spots large enough to accommodate the whole lizard and a night retreat it can withdraw into.
Diet & Feeding: It is strongly herbivorous, so build the diet around plant matter. Its digestion is adapted to high-cellulose food, so do not skew the diet towards animal matter. Any plants placed in the enclosure must be non-toxic, since they will be eaten.
Temperament: In captivity it is wary of people at first but comes to associate a keeper with food over time, usually at two to three years old and 60 to 90 cm long. It is large and powerfully jawed, and males must not be housed together.
Notes: It has been listed on CITES Appendix I since 6 June 1981. Under Japan's Species Conservation Act it is an internationally endangered species, and transferring one within Japan requires an individual registration certificate; trading or transferring an unregistered animal breaches that Act. It is neither a specified animal nor an invasive alien species under Japanese law. The IUCN assesses it as Vulnerable. It is a large species that lives 60 to 70 years and its captive requirements are complex, so secure facilities and a plan for its whole life, and check the registration certificate and origin, before acquiring one.

TraitsIguanaReptileCaribbeanLarge speciesCITES I

About Cuban Rock Iguana

A guide to the Cuban Rock Iguana, the second-largest species in genus Cyclura — its character, care difficulty, key facts to know before bringing one home, and answers to common questions.

7 things to know before welcoming a Cuban Rock Iguana

1Spacious, Secure Housing
Cuban Rock Iguanas average around 40cm in snout-vent length, and males have been recorded reaching up to 1.6m in total length. Because they're large and powerful, plan for an enclosure sized for their adult dimensions that won't allow them to escape.
2Heat and UVB Requirements
As cold-blooded reptiles, they need a basking spot along with a broader temperature gradient so they can regulate their body heat. UVB lighting is also essential to their long-term health.
3A Plant-Based Diet
This species is herbivorous, so its diet should center on vegetables and greens. Rotate the produce you offer to help keep their nutrition balanced.
4An Exceptionally Long Lifespan
Cuban Rock Iguanas can live 60 to 70 years, potentially outliving their keepers. Bringing one home means committing to decades of care, not a short-term arrangement.
5Temperament and Handling
Individual personalities vary, but consistent, gentle handling from a young age tends to make them more comfortable around people. As adults, though, their strength means handling calls for experience and a calm approach.
6Regular Health Monitoring
Watch for changes in skin condition, nails, and appetite through routine observation. If you notice anything unusual, consult a veterinarian experienced with reptiles.
7Preparing Before You Bring One Home
Set up a cage, lighting, and heating equipment sized for their adult dimensions before they arrive. Since this is a long-term commitment, consider whether your living situation and lifestyle can accommodate that over time.

Frequently asked questions about Cuban Rock Iguana

Q.Is this a good species for beginners?: A.This species is generally considered suitable for experienced keepers rather than beginners. Their large size, strength, and the need for precise temperature management call for prior reptile-keeping experience before bringing one home.
Q.How big do they get as adults?: A.Average snout-vent length is around 40cm. Males have been recorded reaching up to 1.6m in total length, while females tend to reach roughly two-thirds that size.
Q.What do Cuban Rock Iguanas eat?: A.They're herbivores, so their diet centers on vegetables and greens. Rotating the produce you offer helps keep their nutrition balanced.
Q.How long will I be caring for one?: A.Cuban Rock Iguanas can live 60 to 70 years, making them a remarkably long-lived pet. Before bringing one home, consider carefully whether you can provide a stable environment for the long term.
Q.Can I keep more than one together?: A.Cuban Rock Iguanas are generally best kept singly. If you're considering housing multiple individuals, make sure you have ample space and compatible temperaments, and consult someone experienced with the species.