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A medium-sized trunk-crown ecomorph, Anolis porcatus spends much of its time basking in the upper reaches of tree trunks, approximately 1-6 m above ground. Although endemic to Cuba, A. porcatus has also been introduced into the Dominican Republic, Florida, and Aruba, where it has successfully competed with native species and continues to expand its range. In part, its success has been due to its preference for human-modified habitats, such as gardens, pastures, and public parks. Like many other anoles, A. porcatus is a generalist insectivore and opportunistic feeder, consuming a variety of insects and even fruit, nectar, and juvenile lizards. It also follows the seasonal pattern of reproduction characteristic of Anolis lizards, with reproductive activity peaking during the rainy season when food and water are most abundant.
As is typical for trunk crown ecomorphs, A. porcatus has short limbs, a long tail, and large toepads relative to its size. Anolis porcatus is also characterized by a long pointed snout, with the frontal ridges higher than canthal ridges in most males. Males have a dewlap that is reddish-pink to purplish-pink or mauve in color, while females often possess indications of pink color on their throats. Nevertheless, there exists a great deal of geographic variation in the coloration and morphology of A. porcatus, leading Perez-Beato (1996) to characterize A. porcatus as two separate subspecies, A. porcatus porcatus from the central and eastern regions of Cuba and A. porcatus aracelyae from the western region of Cuba.