Snakes of Spain: 11 Species, Identification & Safety

Spain hosts 11 native snake species—most harmless, a few venomous. Know them for safety and appreciation.

Venomous (Viperidae)

• Asp Viper (Vipera aspis): Pyrenees, N Spain; zigzag pattern; potent venom
• Snub-nosed Viper (Vipera latastei): Iberia-wide; upturned snout; medical attention if bitten
• Seoane's Viper (Vipera seoanei): N Spain; variable pattern

Mildly Venomous (Colubridae — Rear-Fanged)

• Montpellier Snake (Malpolon monspessulanus): Largest (2m), Mediterranean; venom mild, rear fangs
• False Smooth Snake (Macroprotodon brevis): Small, secretive; mild venom
• Horseshoe Whip Snake (Hemorrhois hippocrepis): S/SE; fast, diurnal

Non-Venomous

• Ladder Snake (Zamenis scalaris): Juveniles have ladder pattern; adults uniform
• Southern Smooth Snake (Coronella girondica): Constrictor; smooth scales
• Viperine Water Snake (Natrix maura): Aquatic; mimics viper (flattened head)
• Western Ornate Snake (Psammophis schokari): Rare, SE; diurnal hunter
• Four-lined Snake (Elaphe quatuorlineata): Large, powerful constrictor; S Spain

Safety & Law

• All snakes protected — illegal to kill, capture, disturb
• If bitten: Immobilize, seek hospital (antivenom available) — do NOT cut/suck/tourniquet
• Wear boots in tall grass; watch where you step/put hands

Snakes control rodents, indicate ecosystem health. Observe from distance. They want to avoid you.