Naturalised. Common anole in urban areas and other relatively open habitats', so far only on Grand Cayman. Largely in habitats already disturbed by humans (20). Another source reports A. sagrei sagrei as common on Little Cayman and Owen Island, particularly in association with human disturbance. Another subspecies, A. sagrei luteosignifer (the Cayman Brac brown anole) is restricted to Cayman Brac where it is native. (Kristan (2002) Cayman Invasive Species List);
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Originally replacing native Anolis conspersus in Grand Cayman, through predation of juveniles, but now apparently in balance. Also shown to predate native Sphaerodactylus geckoes. Suggested to be competing for food with endemic A. maynardi on Little Cayman. (Kristan (2002) Cayman Invasive Species List);
Terrestrial.
Probably introduced in shipments of ornamental plants from South Florida. (Kristan (2002) Cayman Invasive Species List);
Burton F J, Jenna Wong L, Pagad S (2020). Global Register of Introduced and Invasive Species - Cayman Brac, Cayman Islands. Version 1.6. Invasive Species Specialist Group ISSG. Species Specialist Group ISSG. Species Specialist Group ISSG. Available at: https://doi.org/10.15468/asqqbw Checklist dataset https://doi.org/10.15468/0crgyy accessed via GBIF.org on 2022-08-22.; Resource ID 191 - Cayman invasives list Kristan 2000