Opheodrys aestivus

Vertical/arboreal vivarium, densely planted and well ventilated (a bioactive setup is strongly recommended). Prioritise height, thin branches and dense foliage for climbing and hiding.

Minimum dimensions for an adult; larger and taller is always preferable. A richly planted environment (vines, climbing plants, foliage) is essential to reduce the stress of such a cryptic, nervous snake. Avoid large bare spaces. Good ventilation is mandatory to prevent respiratory infections.

Moderate humidity with regular misting, but always combined with excellent ventilation. Alternate humid cycles (60-70%) with drier periods to prevent dermatitis and rot. A permanently soaked substrate is harmful.

In a bioactive terrarium, a moisture-retaining mix with a drainage layer and leaf litter promotes humidity and biological balance. Most of the décor should be vertical (branches and plants) rather than the substrate itself, as this snake lives almost exclusively up high.

Recommended and beneficial: a diurnal snake that actively basks in the sun. Provide low to moderate UVB (T5 tube ~5-6%, Ferguson zone 2-3), positioned to create a gradient and allow self-regulation. UVB supports vitamin D3 synthesis and prevents metabolic bone disease.

Drinks mainly from droplets deposited on the foliage: mist daily. Also provide a small, clean, shallow water dish. Monitor hydration closely, as dehydration is common and serious in this species.

Southeastern United States (from the Atlantic coastal plains to Texas and northeastern Mexico), along waterways, in bushes and dense vegetation overhanging the water.

Strictly insectivorous — Soft-bodied invertebrates: crickets, grasshoppers, caterpillars, moths and their larvae, spiders, stick insects, small soft insects. Does NOT eat rodents.

Live prey is highly stimulating and should be supplemented (gut-loading + dusting with calcium/vitamins, with moderate D3 if UVB is provided). Feed frequently (several small prey 2 to 3 times a week) given the fast metabolism and low body reserves. Stress-related food refusal is the leading cause of death in captivity.

Clutch 3–12 eggs/young. Breeding follows a winter cooling period (light brumation, ~13-16 °C). Egg-laying in spring/summer; incubation of about 5 to 12 weeks at around 25-27 °C. Slender females are at high risk of egg retention (dystocia) if calcium-deficient or dehydrated. Breeding is delicate in captivity.

• Internal and external parasites in wild-caught individuals (nematodes, protozoa, mites), often massive
• Psychogenic food refusal and regurgitation (stress, handling, unsuitable environment)
• Dehydration and kidney damage (lack of misting, overheating)
• Rostral abrasions from rubbing against the glass in stressed individuals
• Metabolic bone disease (MBD) from calcium/UVB deficiency; respiratory infections if ventilation is insufficient