Crotalus unicolor
| Aruba rattlesnake | |
|---|---|
| Bronx Zoo | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | Squamata | 
| Suborder: | Serpentes | 
| Family: | Viperidae | 
| Genus: | Crotalus | 
| Species: | C. unicolor | 
| Binomial name | |
| Crotalus unicolor van Lidth de Jeude, 1887 | |
| Synonyms | |
| 
 | |
- Common names: Aruba rattlesnake, Aruba island rattlesnake, Cascabel (Papiamento).
The Aruba Island rattlesnake (Crotalus unicolor), is a venomous pit viper species endemic to the Caribbean island of Aruba, off the coast of Venezuela. It is sometimes still classified as a subspecies of Crotalus durissus.