Western Hognose Snake (Heterodon nasicus)
At a glance
| Adult size | Females 24-30 in · Males 18-24 in |
| Lifespan | 15-22 years |
| Enclosure | 30×12×12 in |
| Temperature | Warm 85-90°F · Cool 75°F |
| Humidity | 30-50% |
| UVB | Optional |
| Diet | Frozen-thawed mice |
| Handling | Good — defensive displays are mostly bluffing |
Why this species
- Small, manageable adult size
- Charming defensive bluffing behavior (hooding, hissing, playing dead)
- Hundreds of morphs at all price points
- Mild rear-fanged venom is functionally harmless to humans
Why not
- Bites are rare but rear-fanged venom can cause mild swelling in sensitive individuals
- Feeding response is intense — handle carefully around prey
- Some individuals are picky feeders during seasonal cycles
Frequently asked questions
Are Western hognose snakes venomous?
Yes — mildly. They have small rear-fangs and weakly venomous saliva (Duvernoy's secretion). Bites are rare and effects are limited to mild localized swelling. Functionally harmless to most humans.
How big do Western hognose snakes get?
Females 24-30 inches; males 18-24 inches. Significantly smaller than corn snakes or ball pythons.
How long do Western hognose snakes live?
15-22 years with proper care.
Are Western hognose snakes good beginner snakes?
Generally yes for intermediate beginners. The mild venom is rarely a real issue, but it's a consideration above pure beginner species.
Why is my hognose snake playing dead?
Defensive behavior. They flip belly-up, tongue out, mouth agape when threatened. Distinctive and harmless.