#1523 · 🦎 reptiles
Asp
🇳🇱 Aspisadder ·Vipera aspis
8 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Vipera aspis is a venomous viper species found in southwestern Europe. Its common names include asp , asp viper , European asp , and aspic viper , among others. Bites from this species can be more severe than from the European adder, V. berus ; not only can they be very painful, but also about 4% of all untreated bites are fatal. " Five subspecies are currently recognized, including the nominate...
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 7,956 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
- Listed as Vulnerable on the IUCN Red List.
fact sheet
- English
- Asp
- Nederlands
- Aspisadder
- scientific name
- Vipera aspis
- class
- Reptilia
- order
- Squamata
- family
- Viperidae
- IUCN Red List
- VU · vulnerable
- sightings in NL
- 0
- sightings in Europe
- 7,225
- sightings worldwide
- 7,956
- GBIF records in NL
- 4
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
IUCN in Dutch: kwetsbaar. Blank means the sources don't say.
relatives· Viperidae
#1477 📷 10Adder
Vipera berus
LC 👀 328 in NL
#1622 📷 10Western Rattlesnake
🇳🇱 Western rattlesnake
Crotalus oreganus
LC 🌍 39.4k seen
#1627 📷 9Western Diamond-backed Rattlesnake
🇳🇱 Texaanse ratelslang
Crotalus atrox
LC 🌍 32.6k seen
#1500 📷 10Eastern Copperhead
🇳🇱 Koperkop
Agkistrodon contortrix
LC 🌍 28.8k seen
#1636 📷 9Northern Cottonmouth
Agkistrodon piscivorus
LC 🌍 25.4k seen
#1656 📷 10Timber Rattlesnake
🇳🇱 Gewone ratelslang
Crotalus horridus
LC 🌍 16.1k seen
#1693 📷 9Prairie Rattlesnake
🇳🇱 Prairieratelslang
Crotalus viridis
LC 🌍 10.4k seen
#1704 📷 7Terciopelo
Bothrops asper
LC 🌍 8.8k seen
Sources: iNaturalist taxon 30929, Wikidata Q572447, GBIF 2444339, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.