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Cobras and kraits, rattlesnakes and copperheads, eyelash and gaboon vipers, mambas, and the Gila monster and Mexican beaded lizard all sit together in this part of the reptile market. Keepers come to them for behaviour you rarely see elsewhere: a rattlesnake working a scent trail across its substrate, a cobra hooding at a passing shadow, a Heloderma grinding steadily through a morning dig. Everything about looking after them is built around distance, routine and good paperwork, and the people who do it well treat all three as part of the pleasure rather than a chore.
Hobbyists call them hots, and the term covers two main snake families plus a couple of lizards. The elapids — cobras, mambas, kraits, coral snakes and most of the Australian species — have short, fixed front fangs. The viperids — rattlesnakes, copperheads, cottonmouths, bush vipers, gaboon and rhinoceros vipers — carry long hinged fangs that fold back against the roof of the mouth.
Away from snakes, the Gila monster and the Mexican beaded lizard produce venom in grooved glands in the lower jaw and work it into a bite by chewing. A few rear-fanged colubrids sit in a grey area that keepers and local authorities draw differently, so it is worth checking how your own jurisdiction classifies any given species before you commit.
Size varies enormously across the group. A copperhead or an eyelash viper usually tops out around two to three feet, most rattlesnakes fall between three and five, and the largest elapids are far bigger — king cobras commonly exceed ten feet and black mambas are frequently seven to nine. Gila monsters are stocky and comparatively compact at roughly eighteen to twenty-two inches.
Lifespans are long by small-animal standards. Fifteen to twenty-five years in captivity is typical for well-kept front-fanged snakes, and heloderms often match or beat that. Figures differ by species, locality and line, so treat these as broad brackets rather than promises.
Housing is the centre of it: lock-top or front-opening caging that cannot be opened accidentally, clearly labelled with the species inside, and sited in a room that can itself be secured. Hooks, tongs and a shift box do the work that hands do with other reptiles, and most keepers never free-handle at all.
Alongside the equipment sits the routine. Experienced keepers work with someone else aware they are in the room, settle their emergency plan with local medical services before an animal arrives, and keep permits and species documentation current. Licensing requirements differ sharply between countries, states and even counties, so confirm what applies where you live.
Ask whether the animal is captive-bred or imported, how long it has been in the seller's care, and when it last fed and shed. Ask about locality or line, current length and weight, and how it behaves under the hook — a settled feeder with a known history tells you far more than a photograph does. Confirm what permits the seller expects you to hold and how transport will be arranged, since specialised shipping rules frequently apply.
Keep your own records from day one: feeding dates, weights, sheds, pairings and any veterinary visits. An app such as Husbandry.Pro makes that straightforward across a growing collection, and a clean history is exactly what a serious buyer or an inspecting authority will want to see later.
AI-assisted guide reviewed by the ReptileAds team. General information about these animals — not care, veterinary or legal advice, and not a description of any individual listing above.