Red diamond rattlesnake
Venomous · Crotalus ruber
DangerousA bite is a medical emergency
Often mild-tempered, but a bite is a medical emergency.
- Lives in
- 1 state
- Size
- 30–55 in
- Open US records
- 1,703
- Group
- Snake

How to identify it
- Brick red to pinkish tan with pale-edged diamonds
- Black and white tail bands
- Heavy body
Size: 30–55 in (total length). Habitat: Coastal sage scrub and chaparral of southern California.
Where it lives
- Lives here
- Rare records
- Gone
- Not here
When it is out
State by state
| State | Status | Open records | Counties |
|---|---|---|---|
| California | Lives here | 1,700 | 8 |
| Minnesota | Not here | 2 | 2 |
| Texas | Not here | 1 | 0 |
States not listed have no open records and are outside the range.
Questions
Where does the red diamond rattlesnake live?
In 1 state: California.
Is the red diamond rattlesnake dangerous?
Dangerous. Often mild-tempered, but a bite is a medical emergency.
How do you identify a red diamond rattlesnake?
Brick red to pinkish tan with pale-edged diamonds. Black and white tail bands. Heavy body.
When is the red diamond rattlesnake most active?
Most open US records fall in April to June, August.