™
Built by the legends.
Open to everyone who wants to learn — keepers, hobbyists, conservationists, and anyone with the spark to go further.
Two foundational figures in modern reptile keeping share a working moment with one of Asia's most iconic elapids — captured in the room, not in a studio.
A school at the center, a Circle of working keepers around it. Direct mentorship from world-class practitioners, on your time.
Structured courses, certifications, and field studies taught by working breeders, field herpers, vets, and master keepers.
View the School ↗ 02 / The CommunityThe community layer. Live sessions, moderated forums, species groups, meetups, expo crews, a 24-hour moderation team.
Enter the Circle ↗Climate, substrate, humidity, enclosure architecture. The systems that let a complex collection run itself — the reason advanced keepers spend less time keeping and more time observing.
Malayopython reticulatus · Reticulated python
Pairing, cycling, gestation, and the ethics of producing healthy offspring. Taught by working breeders with thousands of clutches behind them — and the discipline to say no when conditions aren't right.
Python regius · Ball python · Piebald morphAllele math, Punnett squares, recessive versus co-dominant — the long game of compounding traits. From your first het project to multi-gene pairings across ball pythons, retics, boas, geckos, and dragons.
Eublepharis macularius · Leopard gecko — the genetics gatewayHook work, tube work, restraints, and reading the animal in front of you. Hot keeping under direct mentorship — the same protocols used by zoo staff and field professionals. No cowboy.
Bitis gabonica · Gaboon viper · the longest fangs of any snakeReptiles tell you everything — if you know how to read them. Feeding cues, defensive postures, breeding readiness, distress, contentment. The difference between a keeper who reacts and one who anticipates.
Ophiophagus hannah · King cobraWhy some animals trust handling and others don't. Schedules, exposure, recovery, and respecting individual temperament. Building animals that thrive under care, not just survive it.
Dendroaspis polylepis · Black mambaRack systems, intake quarantine, feeding rotations, health monitoring at scale, and the operational discipline behind the world's serious collections. Taught by keepers who run them — and survive them.
Crotalus atrox · Diamondback rattlesnakeEvery topic is taught by working professionals — breeders, vets, field herpers, and master keepers. Members ask questions, post setups, and get specific guidance from people doing the work, day in and day out.
Join the Circle ↗Field Studies sit in on real research, breeding rooms, and feeding moments — captured by camera crews and repackaged into mini courses members keep access to.
Tiles autoplay when on screen, pause when off. Footage from real Citadel Culebra keepers — full episodes inside the Circle.
Long-form interviews with master keepers, working breeders, field herpers, vets, and conservationists. Recorded in their rooms — not in a studio.
Five master classes. Hover any tile to pause.
tom crutchfield · george van horn · ty park · stacey crutchfield · steve angelli
multi-master · foundationkevin mccurley
solo master · industry pioneersteve angelli
specialist · venomousgeorge van horn
restricted · hot trackkevin mccurley · tom crutchfield · stacey crutchfield
multi-master · advancedAlmost every fight you'll see online about ball pythons starts the moment somebody forgets that. Husbandry is a range, not a recipe. Two world-class breeders will tell you slightly different things — both have animals that thrive, breed, and live for thirty years.
Where credible keepers disagree — enclosure type, UVB, feeding schedule, the ethics of certain morphs — we present every view, name the practitioners, and explain the reasoning behind each.
We can challenge opinions — we have to, that's the only way the hobby gets better — but we do it without attacking the person on the other side of the screen.
Larger enclosure standards, updated UVB thinking, cleaner quarantine protocols — the foundation we stand on was built by hands other than ours, and the people who built it earned a hearing.
Not commandments. Informed advice from people who have done this many times. Take what works for you and your animal. Bring the rest to the Circle.
A different model — built around the people who actually hold the knowledge, with a culture that lets beginners ask without humiliation and experts disagree without combat.
Working breeders. Field herpers. Veterinary specialists. Master keepers. The people whose names appear in your morph history, your care references, your quiet 2am Google searches.
Founder of New England Reptile Distributors. Decades of breeding, genetics, and industry leadership; Citadel Culebra's academic head.
One of the foundational figures in modern reptile keeping. Bloodlines, importation, and the long view.
Lifelong crocodilian and large-reptile handler. Field experience and facility leadership across decades of zoological work.
Builder of the school and Circle. Long-time keeper, founder of The Warren Federation.
▶ Footage
Decades of venomous and crocodilian work. The keeper in the cobra footage. Hot-track lead.
▶ Footage
Generational keeper. Bloodlines, breeding programs, animal-first husbandry.
Working keeper and field professional. Long-tenured contributor to the hobby's standards and bloodline programs.
Master keeper. Heloderma husbandry, breeding strategy, BCI redtail care, naturalistic enclosure design.
▶ Footage
Hands-on iguana keeper. Imports, husbandry, behavior, naturalistic care.
Beginner pathways. Welfare-first foundations, real-world enclosure design, behavior reading.
Hands-on breeding work. Husbandry standards, project planning, and morph projects.
Biologist, educator, and reptile communicator. Bridging academic biology and the working keeper community.
Practicing herpetological veterinarian. Quarantine protocols, parasite control, diagnostics, welfare-first reptile medicine.
Herpetology academic. Field ecology, population biology, and the academic side of working with reptiles in the wild.
Pioneering monitor breeder. Decades of work on Varanus husbandry, breeding, and naturalistic enclosure design.
Field biologist and crocodilian specialist. Wild herpetofauna, field documentation, and conservation work.
Working keeper and breeder. Specialized husbandry, project planning, and long-horizon collection management.
Hover any card with footage — videos play live. Bios are early-access drafts; full credentials and photographs appear as each expert onboards.
From Boelen's python to the saltwater crocodile — every species in the Citadel reviewed by working keepers, photographed at the level working keepers actually need.
Africa's apex elapid. Studied for venom protocols and behavior — kept only by certified handlers.
The holy-grail iridescent python. Black-purple sheen, decade-long projects.
Locality genetics, naturalistic husbandry, the geometry of the coil.
Australia's tree-dwelling giant. Bell's phase yellow patterning, intelligent presence.
Jet-black scales, silver iridescence, the most metal monitor in the genus.
Ancient reptilian presence. Spiny crest, dewlap, decades of size and intellect.
The thinking-keeper's lizard. UVB, basking, real diet, real welfare.
The first reptile for many. Tongue across the eye, a behavior most keepers never get this close to.
Species portraits are rendered at the level of detail real keepers care about — scale, eye, posture, gesture. Care guides expand each into a full Citadel Library volume.
Real credentials by species and by discipline — written and reviewed by working experts. Plus standalone tracks for non-keepers, schools, and professionals who interact with reptiles.
Welfare basics, enclosure design, feeding cycles, observation, animal-first principles.
Advanced behavior, breeding strategy, naturalistic enclosure design, mentorship cohort.
Hot enclosure design, safety drills, dry/wet bite handling, emergency response.
For people running real facilities — staffing, systems, compliance, animal management.
For first responders, parents, schools, and people who just want to not be afraid.
Reptiles in your high school or college class. Field trips coming. Interest list open.
Recognition for the keepers who've quietly done this for decades. The Circle's master tier.
Native-species ID, ethical field practice, photography, conservation contribution.
Each volume reviewed by working keepers, breeders, and field professionals. Multiple opinions named where credible keepers disagree. The reference set the hobby has been waiting for.
Husbandry, breeding, genetics, behavior. Reviewed by working keepers. Live now.
Live VOL · 02One of the most-kept colubrids in the world.
In production VOL · 03Husbandry, color genetics, longevity.
In production VOL · 04Welfare-first lizard keeping foundations.
In production VOL · 05UVB, basking, diet, social behavior.
In production VOL · 06Naturalistic husbandry and morph genetics.
In productionVolumes are released on a schedule set by the expert council. Members read drafts inside the Circle and contribute to revisions before publication.
Species groups, genetics groups, discipline groups, expo crews, local meetups. Moderation that responds in minutes. Bylaws you can read. Standards built by an expert council, not handed down from a single voice.
Ball pythons, corn snakes, BCI redtails, leopard geckos, bearded dragons, crested geckos — and growing.
Morph projects, recessive proven-out work, breeding plans. The deep end of the breeding world.
Field herping, breeding, photography, veterinary topics, education, content creation.
Find your people before the show. Share rooms. Plan booth visits. Show up together.
Connect with keepers in your city or region for in-person time outside the screen.
One to two times per week per expert. Submit questions in advance or join live.
Sit in on real research and breeding work. Footage repackaged into mini courses you keep.
Philippines team provides overnight coverage. Questions don't sit. Disrespect addressed in minutes.
We tell you the rules of the house. Husbandry standards developed by the expert council, not handed down from a single voice. Members and contributors share in what we build.
Published, public, and enforced. Conduct, contribution, governance, and dispute resolution. Read them before you join.
Official husbandry standards developed by the expert council. Where credible keepers disagree, every view is named, sourced, and reasoned.
Stock for shareholders. Members and contributors share in what we build. Details available on request.
Social media structure and management for our experts. Production support for field studies and courses. The platform pushes good information without algorithmic interference.
Expos, workshops, and field trips. Interest lists are open now. The earlier you sign up, the more say you have in scheduling.
A keeper who breeds well and a researcher in the field are doing the same thing from different angles — keeping animals on the planet. Citadel Culebra runs the school, the standards, and the assurance colonies that bridge the two.
For species whose range-state populations are no longer reliable — Boelens python, Fly River turtle, Galápagos tortoise programs — Citadel-affiliated facilities maintain genetically managed assurance colonies. Studbook-tracked. Long horizon.
Range-state surveys, recovery work after habitat loss, and on-the-ground partnerships with researchers and rangers. Captured by working camera crews and repackaged for the membership and the public.
When legendary keepers age out of active work, Citadel and Federation Vivarium acquire and operate their facilities under their names — preserving bloodlines, methods, and institutional memory in continuity.
Classroom programs, snake-safety training for first responders, and public-facing education built directly into the curriculum. The strongest conservation force is informed people who actually care.
Vivarium, by definition, is the keeping of animals in the most natural environment possible — the highest tier of husbandry the field can offer. Federation Vivarium is the body that defines and certifies that standard. Reptile-rooted. Species-agnostic. Founded by working keepers, breeders, and field professionals who hold the deepest hands-on expertise in the hobby.
Husbandry, welfare, enclosure design, breeding ethics, staff training, emergency protocols. Defined by working professionals, not committees.
On-site reviews conducted by keepers, breeders, vets, and field specialists who have done the work themselves. Not bureaucrats.
As legendary keepers age out, Federation Vivarium acquires and operates their facilities under their names — keeping the lineage, the bloodlines, and the institutional memory alive.
Accredited facilities receive coordinated legal, legislative, and public-relations support. The voice of the apex of the hobby.
tom crutchfield · stacey crutchfield · george van horn · kevin mccurley · ty park · carl bradt · laurie barczyk
More to be announced.
The standard is not a checklist. It is a way of keeping animals.
Join the first generation of keepers, experts, and builders inside the Circle. School and community in one place — and a real conversation worth showing up for.
