#4020 · 🦗 bugs, crickets & other insects
Common Water Measurer
🇳🇱 Gewone vijverloper ·Hydrometra stagnorum
🦗 Bugs, crickets & other insects 📍 in the Netherlands
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Sarah Gregg · CC BY-NC-SA 4.0
- 2. © Javier A. Canteros · CC BY-NC 4.0
- 3. © Etienne Gaillard · CC BY-NC 4.0
- 4. © Kutushev Radik · CC BY-NC 4.0
- 5. © Julien Bottinelli · CC BY-NC 4.0
- 6. © S. Rae · CC BY 4.0
- 7. © Joan Quintana · CC BY-SA 4.0
- 8. © Ferran Turmo Gort · CC BY-NC-SA 4.0
- 9. © Felix Riegel · CC BY-NC 4.0
- 10. © Axel Gosseries · CC BY-NC 4.0
what is it?
Hydrometra stagnorum is a species of aquatic bugs in the family Hydrometridae, the water measurers .
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
- Spotted 104 times in the Netherlands on iNaturalist.
- 3,451 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Common Water Measurer
- Nederlands
- Gewone vijverloper
- scientific name
- Hydrometra stagnorum
- class
- Insecta
- order
- Hemiptera
- family
- Hydrometridae
- sightings in NL
- 104
- sightings in Europe
- 3,166
- sightings worldwide
- 3,451
- GBIF records in NL
- 5,041
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
Sources: iNaturalist taxon 327185, Wikidata Q936922, GBIF 2049340, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.