Ornate black-tailed rattlesnake — Fact Sheet
Crotalus ornatus · Ornate black-tailed rattlesnake
📋 At a glance
| Adult size | 70-130 cm |
| Lifespan | Approximately 18-25 years |
| Origin | See full guide; exact locality is essential |
| Difficulty | Expert, display-only |
| Legal | CITES: not listed; EU: Annex D; Mexican and local rules still apply |
🏠 Enclosure
- Minimum 150 x 75 x 90 cm in a locked secondarily contained room.
- Two positively lockable shifts, protected port, anchored structure and no blind service areas.
- Never free-handle; two trained adults attend every primary opening.
💡🌡️ Climate
- Bright light 10-14 hours; optional measured Ferguson Zone 1 UVB with full shade.
- Basking 30-33°C · ambient 23-28°C · cool 19-23°C · night 15-21°C
- Humidity 35-55%; shedding retreat 55-70%; clean water.
🐁 Feeding and 🩺 emergencies
- Frozen-thawed whole prey every 14-21 days according to weight and condition; no live rodents.
- Watch for obesity, poor sheds, respiratory or oral signs, parasites, burns and décor injuries.
- Every bite is a hospital emergency. No tourniquet, cutting, suction, ice, shock, massage or home antivenom.