Colubridae
Petrolina Mock Viper
HarmlessDryophylax phoenix




4 photographs of the Petrolina Mock Viper. (c) Marcello Mastroianni Albuquerque Araújo, some rights reserved (CC BY).
The Petrolina Mock Viper (Dryophylax phoenix) is a non-venomous snake in the Colubridae family.
- Family
- Colubridae
About the Petrolina Mock Viper
Dryophylax phoenix is a species of snake in the family Colubridae. The species is endemic to Brazil.
Etymology
D. phoenix is named after the Greek mythological bird, the Phoenix (φοῖνιξ phoinix; Latin: phoenix, fenix), which dies in flames and rises from ashes. It is referenced due to the loss of the original holotype of thiss species, in a fire that destroyed 90% of its herpetological collection. Some specimens were rescued and the data from the lost specimens was preserved. Some common names include Cobra-Espada and Corre-Campo (Portuguese).
It is synonymous with
Thamnodynastes phoenix
Thamnodynastes sp.
Thamnodynastes sp. 2
Description
Dryophylax phoenix differs from other species in the same genus by the 19-19-15 dorsal rows of smooth scales configuration, a maximum SVL of 495 mm, and a maximum TL of 136 mm. It features 133-159 ventral scales and 40 to 66 subcaudals. The ventral side of its head is spotted with dark brown blotches, with infralabials and chin shields having a white center and a dark border. Two pairs of non-continuous longitudinal dark ventral stripes are present, with a conspicuous black spot on the apex of each ventral scale. The tail tip is paler than the body, almost white in juveniles, without blotches.
Habitat and behavior
D. phoenix mainly inhabits the states of Alagoas, Bahia, Ceará, Paraíba, Pernambuco, Piauí, Rio Grande do Norte, Sergipe, Minas Gerais, Goiás, and Tocantins in Brazil. Its place of origin is Pernambuco, in the municipality of Petrolina on the UNIVASF Campus Ciências Agrárias, 389 metres above sea level.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Petrolina Mock Viper
- Is the Petrolina Mock Viper venomous?
- No. The Petrolina Mock Viper (Dryophylax phoenix) is non-venomous and is not considered dangerous to humans. Like most snakes, it will retreat rather than bite when given the chance.
- Is the Petrolina Mock Viper poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Petrolina Mock Viper is neither poisonous nor venomous.
- Is the Petrolina Mock Viper dangerous?
- The Petrolina Mock Viper is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
- Why is it called the Petrolina Mock Viper?
- D. phoenix is named after the Greek mythological bird, the Phoenix (φοῖνιξ phoinix; Latin: phoenix, fenix), which dies in flames and rises from ashes. It is referenced due to the loss of the original holotype of thiss species, in a fire that destroyed 90% of its herpetological collection. Some specimens were rescued and the data from the lost specimens was preserved. Some common names include Cobra-Espada and Corre-Campo (Portuguese). It is synonymous with
More Colubridae snakes
Keeled Sepia SnakeDryophylax hypoconia
Coastal Mock ViperDryophylax nattereri
Gambote Mock ViperDryophylax gambotensis
Chaco Sepia SnakeDryophylax chaquensis- Paraguana Mock ViperDryophylax paraguanae
Jararaca Mock ViperDryophylax almae
Double-lined Water SnakeDryophylax ramonriveroi
Apure Mock ViperDryophylax dixoni
Classification
How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.
- OrderThe broad group of scaled reptiles: all snakes and lizards
- Squamata
- FamilyA group of related snakes that share key traits
- Colubridae
- GenusA close-knit group of very similar species
- Dryophylax
- SpeciesThis exact snake, named in the two-part scientific name
- Dryophylax phoenix
Keep learning
- What to Do If You Find a SnakeFound a snake at home or on a trail? Here is how to stay calm, give it space, identify it safely, and know when to call a professional.
- Venomous vs Nonvenomous: How to Tell the DifferenceThe folk rules for telling venomous snakes apart, where each one fails, and why location-based identification beats guessing by sight.
- What Is a Snake? Anatomy and the BasicsA clear overview of what makes a snake a snake: limbless body plan, anatomy, evolution from lizards, species diversity, and why they are ectothermic.
- How to Keep Snakes Out of Your Yard and HomeA practical guide to keeping snakes out of your yard and home using habitat changes that work, plus what to skip and what to do if one shows up.
Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.