Green Anole Care: Complete Beginner's Guide

TL;DR: Green anoles (Anolis carolinensis) are small (5–8 inch) diurnal display lizards requiring a tall enclosure of at least 18"×18"×24" filled with vertical climbing structures — they are arboreal and feel insecure near the ground. UVB lighting is non-optional and frequently skipped in pet store setups, leading to metabolic bone disease over time; they also require 60–80% humidity and drink from misted water droplets rather than a dish. Brown coloration instead of their typical bright green indicates stress, cold temperatures, or illness.

The green anole (Anolis carolinensis) is one of the most commonly sold reptiles in pet stores -- and one of the most commonly mistreated, through no fault of the animals themselves. These tiny, fast, jewel-bright lizards from the American Southeast have specific needs that are often overlooked. When kept correctly, however, they're fascinating display animals that can live 7+ years.

Green anoles are often called "American chameleons" because they can change color from bright green to brown -- but they are not related to true chameleons.

Quick Facts: Green Anole

Enclosure

Green anoles are small but active arboreal lizards:

• Single or pair: 18"x18"x24" tall front-opening terrarium minimum
• Small group (3-4): 18"x18"x36" or larger

Use a tall enclosure -- green anoles live in trees and shrubs and feel insecure near the ground. Fill with vertical climbing structures: artificial vines, branches, and tall live plants (pothos, bromeliads).

Temperature

• Daytime ambient: 75-85 degrees F
• Basking spot: 85-90 degrees F
• Night: 65-75 degrees F

A low-wattage basking bulb (25-40W) or T5 HO lamp creates a warm basking zone. Room temperature provides the cool end in most homes.

UVB Lighting

Green anoles are diurnal and require UVB for vitamin D3 synthesis and health. This is often skipped in pet store setups -- it shouldn't be.

A T5 HO 5.0 UVB bulb on a 10-12 hour cycle is appropriate. Position 8-12 inches from the gecko's basking area.

Humidity

Green anoles need 60-80% relative humidity:

• Mist the enclosure once or twice daily
• Live plants greatly help stabilize humidity
• Use a digital hygrometer
• Allow partial drying between mistings

Green anoles drink water droplets from misted surfaces rather than from a water dish.

Feeding

Green anoles eat live insects -- they rarely accept dead or non-moving prey:

Primary feeders:

• Small crickets (the staple)
• Fruit flies (for hatchlings and juveniles)
• Small mealworms

Feeding schedule: Every other day; 4-6 appropriately sized insects (no wider than the space between the eyes).

Supplementation: Dust with calcium supplement at every feeding; multivitamin every 2 weeks.

Handling

Green anoles are not handling pets. They are extremely fast, fragile, and stress-prone. Excessive handling leads to tail drops, injury, and chronic stress-related illness. Appreciate them as display animals.

For understanding when reptile stress occurs and how to minimize it, see our reptile handling guide.

Common Health Issues

• Metabolic bone disease: From lack of UVB or calcium -- common in pet store animals
• Respiratory infections: From cold temperatures or inadequate humidity
• Mouth rot: Bacterial infection
• Color changes to brown: Can indicate stress, cold temperatures, or illness. A healthy, comfortable green anole is bright green.

Green anoles sold in pet stores are often stressed and may have health issues. Quarantine new animals and consider a vet visit. Read lizard owner mistakes to avoid common pitfalls.