Black iguana
Ctenosaura similis (Gray, 1831)
Status not recordedlizards
The black iguana (Ctenosaura similis) is a species in the family Iguanidae, order Squamata. Recorded adults weigh 956.3 g to 4.25 kg, reach 34.4 cm in length and live up to 22.4 years.
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Quick facts about the black iguana
- Weight
- 956.3 g – 4.25 kg
- Length
- 30.5 cm – 34.4 cm
- Lifespan
- 22.4 years
- Diet
- Herbivore
- Longest recorded lifespan
- 60 years
- Main food
- Not recorded
- Habitat
- forest
- Egg incubation
- 94.7 days
- Young per litter or clutch
- 12 – 88
- Age at maturity
- 21 months – 2.87 years
- Litters or clutches a year
- 1
- Reproduction
- Eggs
- Active
- By day (diurnal)
- Conservation status
- Not recorded
- Countries on record
- Not recorded
How big is the black iguana?
Where does the black iguana live?
Not recorded
Is the black iguana endangered?
No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.
How is the black iguana classified?
- kingdomAnimalia
- phylumChordata
- classReptilia
- orderSquamata
- familyIguanidae
- genusCtenosaura
- SpeciesCtenosaura similis (Gray, 1831)
Synonyms Ctenosaura completa, Iguana, Iguana similis
Other names and names in other languages (26)
- Black CtenosaurEnglish
- Black spiny-tailed iguanaEnglish
- Common spiny-tailed iguanaEnglish
- Gray's spiny-tailed iguanaEnglish
- إغوانة سوداءArabic
- leguán černýCzech
- Centralamerikansk TornhaleleguanDanish
- Schwarzer LeguanGerman
- Iguana NegraSpanish
- Cténosaure noirFrench
- fekete tüskésfarkú leguánHungarian
- Iguana neraItalian
- ツナギトゲオイグアナJapanese
- Zwarte LeguaanDutch
- czarnogwan środkowoamerykańskiPolish
- Iguana-negraPortuguese
- Черная Шипохвостая ИгуанаRussian
- Garrobo comúnroot
- 黑刺尾鬣蜥Chinese
- GarroboSpanish
- Garrobo NegroSpanish
- Iguana negra de cola espinosaSpanish
- Iguana-espinosa rayadaSpanish
- iguane à queue épineuse noireFrench
- Witzwarte grondleguaanDutch
- Providence Spiny-tailed Iguanaroot
Relatives of the black iguana
Other species in the same genus Ctenosaura.
Swamper
Ctenosaura bakeri
Veracruz spiny-tailed iguana
Ctenosaura acanthura
Guatemalan black iguana
Ctenosaura palearis
Spiny-tailed iguana
Ctenosaura pectinata
Club tail iguana
Ctenosaura quinquecarinata
Cape spinytail iguana
Ctenosaura hemilopha
CompareBlack iguana vs SwamperBlack iguana vs Veracruz spiny-tailed iguanaBlack iguana vs Guatemalan black iguanaBlack iguana vs Spiny-tailed iguana
Common questions
Answered only where our data holds the answer.
How big is the black iguana?
An adult black iguana weighs 956.3 g – 4.25 kg and measures 30.5 cm – 34.4 cm long, according to values recorded on Wikidata.
How long does the black iguana live?
The black iguana has a recorded lifespan of 22.4 years.
What kind of animal is the black iguana?
The black iguana (Ctenosaura similis) belongs to the family Iguanidae in the order Squamata.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
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Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - LepTraits 1.0: a globally comprehensive dataset of butterfly traits · CC0 1.0 · 1.0
Shirey, V., Larsen, E., Doherty, A. et al. (2022) LepTraits 1.0: a globally comprehensive dataset of butterfly traits. Scientific Data 9: 382. https://doi.org/10.1038/s41597-022-01473-5. Data: https://doi.org/10.6084/m9.figshare.19874602.v1 - Northwestern European arthropod life histories and ecological traits (raw datasets) · CC BY 4.0 · 2024-12-17
Logghe, G., Batsleer, F., Maes, D. et al. (2025) An in-depth dataset of northwestern European arthropod life histories and ecological traits. Biodiversity Data Journal 13: e146785. https://doi.org/10.3897/BDJ.13.e146785. Data: https://doi.org/10.5281/zenodo.13379714 - ReptTraits: a comprehensive dataset of ecological traits in reptiles · CC BY 4.0 · v1-2
Oskyrko, O., Mi, C., Meiri, S. et al. (2024) ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data 11: 243. https://doi.org/10.1038/s41597-024-03079-5. Data: https://doi.org/10.6084/m9.figshare.24572683.v4 - Sharkipedia: a curated open access database of shark and ray life history traits · CC BY 4.0 · 1.0-2022-06-17
Mull, C.G., Pacoureau, N., Pardo, S.A. et al. (2022) Sharkipedia: a curated open access database of shark and ray life history traits and abundance time-series. Scientific Data 9: 559. https://doi.org/10.1038/s41597-022-01655-1. Data: https://doi.org/10.5281/zenodo.6656525 - SquamBase 1.0 - a dataset of squamate species traits · CC0 1.0 · 1.0-dryad-v5
Meiri, S. (2024) SquamBase - a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography 33(4): e13812. https://doi.org/10.1111/geb.13812. Data: https://doi.org/10.5061/dryad.76hdr7t3b - TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe · CC BY 4.0 · 2.0
Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
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Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Black iguana (Ctenosaura similis). Retrieved from https://creaturedata.com/animals/black-iguana
“Black iguana (Ctenosaura similis).” CreatureData, 2026, https://creaturedata.com/animals/black-iguana.
@misc{black_iguana_2026,
title = {Black iguana (Ctenosaura similis)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/black-iguana},
note = {Data as of 2026-11-11}
}