Broad-banded Copperhead

🔤 Taxonomy

Agkistrodon laticinctus is recognized by the Reptile Database, incorporating the former A. contortrix laticinctus and A. c. pictigaster. Some authors retain a broader A. contortrix. Hybridization with eastern copperheads makes locality and parental documentation more useful than a band-width test alone.

📌 Description

A terrestrial copperhead, often about 50-80 cm, with broad crossbands and cryptic leaf-litter coloration. A short snake can remain invisible beside a service door. Its modest size and copperhead name do not make it suitable for novice venomous keepers. Published longevity figures often pool older taxa and are not used as a species-specific guarantee.

The active-season values below are provisional management starting points, not demonstrated physiological optima or safety limits. Enclosure dimensions are practical recommendations for one adult; increase them for a larger individual. Confirm the plan with an experienced reptile veterinarian and retain locality records.

📋 Quick reference

Care point	Provisional active-season target
Adult length	50-80 cm
Enclosure, one adult	120 × 60 × 60 cm
Ambient air	23-27°C
Basking surface	29-31°C
Cool retreat	20-23°C
Night air	18-22°C
Relative humidity	45-65%
Adult meals	10-14 days

☠️ Venom

Copperhead envenoming can cause substantial pain, swelling, impaired limb function and tissue injury; serious systemic or clotting effects remain possible. “Usually survivable” is not a first-aid assessment. FDA-labelled North American pit-viper antivenom is a hospital option, not a guarantee of local access or a reason to delay emergency care. Severity varies; a small wound does not rule out serious or delayed envenoming.

Treat every bite as an emergency, including an apparently dry bite. Move away, call emergency services, keep the person still, remove rings and support the limb without compression. Do not cut, suck, ice or tourniquet the wound, and do not catch the snake. Follow poison-centre instructions. Agree a receiving hospital and antivenom access before acquisition; treatment belongs in hospital.

🌍 Distribution

Central and western Texas north through Oklahoma toward Kansas; the taxonomic treatment also includes former pictigaster populations in adjacent Chihuahua and Coahuila, Mexico. Contact-zone boundaries are not sharp. Wooded slopes, rocky cover and sheltered drainages offer cooler refuges within seasonally hot landscapes. The Chisos climate point represents the former pictigaster region, not all populations.

Native-range context; shaded countries do not imply continuous occupation

🌡 Climate across the native range

Monthly outdoor normals for 1991–2020 illustrate seasonal and regional differences, not enclosure settings. These approximate landscape coordinates are not exact snake records.

Northwest of San Antonio, Texas — USA

View location on Google Maps

Month	Min °C	Mean °C	Max °C	RH %
January	5.7	9.7	15.5	68
February	7.5	11.8	18.1	67
March	10.7	15.2	21.5	68
April	14.2	19	25.3	67
May	18.1	22.5	28.1	72
June	21.1	25.6	31.1	69
July	22	26.9	32.4	65
August	22.5	27.3	32.9	62
September	20	24.3	29.6	67
October	15.6	19.8	25.3	67
November	10.5	14.3	19.6	69
December	6.7	10.5	16	69

Chisos Mountains, Texas — USA (former pictigaster region)

View location on Google Maps

Month	Min °C	Mean °C	Max °C	RH %
January	1.1	6.9	14.3	46
February	3	9.4	17.4	40
March	6.3	13.2	21.3	33
April	10.4	17.6	25.5	29
May	14.7	21.6	28.8	33
June	18.2	24.4	30.8	37
July	18.6	23.9	29.6	42
August	18.3	23.5	29	43
September	15.5	20.7	26.3	49
October	11.2	17.1	23.7	45
November	5.6	11.2	18.2	47
December	1.7	7.2	14.4	48

Weather data by Open-Meteo.com · CC BY 4.0 · Monthly normals calculated by Herpeton Academy from daily archive values.

⚖️ Legal status

No CITES or specific EU wildlife-trade annex listing was found. Texas nongame take, possession and sale rules and Mexican wildlife rules still need checking, including older contortrix names. A permit category for non-native snakes must not be mistaken for the entire law governing native copperheads.

The Bern Convention is not a relevant native-range protection framework for this American species; this does not remove national wildlife or dangerous-animal restrictions.

Legal review: 17 September 2026. National capture, possession, registration, breeding, sale and transport rules may be stricter. Verify permits before transfer and keep invoices, breeder identity, parentage and import records. Trade status does not itself authorize keeping a venomous snake.

🤌 Husbandry

Keep Agkistrodon laticinctus individually in a locked enclosure within an access-controlled venomous-reptile room. Secondary containment and a lockable shift compartment should permit water changes and cleaning only after the animal has been isolated and visually accounted for. Free-handling is unacceptable. Prepare written bite and escape plans, trained backup cover and a veterinary arrangement before acquisition.

Quarantine for at least 90 days as a working minimum, longer when the veterinarian advises. Use separate tools and a simple enclosure; record feeding, sheds, faeces and body condition. Arrange parasite screening for uncertain-origin animals or abnormal stools. Weigh only through an established protected-contact procedure.

💡 Lighting

Provide about 12-14 hours of visible light during the active season, with darkness at night and shaded retreats. A species-specific UVB requirement has not been demonstrated. If low-level UVB is used, measure exposure and retain complete shade; do not infer lamp strength from habitat photographs. Guard lamps and wiring against contact.

🌡 Heating and temperature

Begin with air at 23-27°C, a local basking surface at 29-31°C, a cool retreat at 20-23°C and night air at 18-22°C. These are cautious working bands, not tolerance limits. Measure air, surface and cool-hide temperatures separately. Thermostat-control heating; check the room during summer because a thermostat cannot cool hot air.

Seasonal cooling requires a documented, locality-specific plan for healthy, established adults. Do not cool new arrivals, thin, sick or gravid animals, or copy an adult breeding cycle onto juveniles. Outdoor monthly normals are not brumation instructions.

Locality is essential when planning a winter rest: the broad treatment includes warmer Texan and more seasonal northern populations. Obtain a documented protocol for the actual line; neither a cold outdoor monthly mean nor the old name pictigaster supplies a safe hibernation temperature.

💧 Humidity and water

Use 45-65% relative humidity as an initial management band, with ventilation and a mostly dry resting surface. Provide a small locally moist retreat during shedding without wetting the whole enclosure. Offer clean drinking water continuously in a stable, shallow bowl, serviced through the protected system. Dry habitat does not mean absence of water. Persistent condensation or repeated retained sheds needs review; never peel skin or force soaking.

🌿 Enclosure and decoration

Use at least the practical 120 × 60 × 60 cm layout in the table and allow the snake to stretch fully. Check door gaps, vents and cable holes against the smallest animal housed. Fix rocks directly to the enclosure base so excavation cannot undermine them; retain clear sightlines to shift doors. Avoid sharp gravel, aromatic wood and unstable piles. Remove waste after securing the snake.

Provide about 5-8 cm of compactable soil mixed with washed sand, leaf litter and fixed low bark or stone retreats. Offer cover in both warm and cool areas without hiding the shift-door opening. Avoid a desert-sand display simply because some populations live in Texas. Paper keeps quarantine records easier to interpret.

🐁 Feeding

Copperhead diets include mammals, insects and other small animals, varying with age and locality. An established thawed-mouse feeder is the most manageable acquisition. Offer modest whole prey matched to body width; small juveniles often need meals every 7-10 days and an experienced breeder’s protocol. Do not assume insect observations justify an insect-only diet.

The table gives an initial adult feeding interval of 10-14 days; adjust portions and timing to weight trend and condition. Deliver food through the collection’s protected feeding system. Avoid live rodents and substrate-coated food; dehydration, low temperatures and oversized meals increase regurgitation and impaction concerns. Whole prey normally needs no routine calcium or vitamin dusting. Do not improvise supplementation or force-feeding.

🥚 Breeding

Live-bearing, with no incubator schedule. Confirm sex professionally and assess adult condition before any pairing. Keep former pictigaster and other locality records separate; an undocumented hybrid line must not be sold as a pure population. Seasonal cooling belongs only to a verified breeding plan for healthy established adults, not to newly acquired juveniles.

Breeding adds exposure risk. Prepare separate, escape-proof neonatal housing before pairing, avoid permanent cohabitation, and retain parentage, dates, meals and transfer records. Only breed when lawful placements and competent staff are available.

🩺 Common problems

Overheating: repeated escape attempts or unusual exposed resting require immediate measurement of the cool retreat.
Dysecdysis and dehydration: review drinking access and the moist refuge; repeated problems need veterinary assessment.
Respiratory infection or stomatitis: wheezing, bubbles or oral discharge require prompt professional care.
Dermatitis, impaction, obesity and parasites: dirty wet bedding, substrate ingestion, excessive feeding or persistent weight loss need correction and diagnosis. Do not use automatic deworming or home restraint.

📌 Conclusion

For a broad-banded copperhead, locality records and reliably visible service routes matter more than band shape. Secure tiny juveniles and a usable cool retreat before planning seasonal breeding.

📚 Sources and further reading

ReptiFiles was checked first on 17 September 2026; no species-specific guide was found. Numerical recommendations are separated from directly reported breeding outcomes. Historical care reports are not current medical instructions.