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#4614 · 🐌 snails, slugs & other molluscs

Acute Bladder Snail

🇳🇱 Puntige blaashoren ·Physella acuta

LCleast concern 🐌 Snails, slugs & other molluscs 📍 in the Netherlands (introduced)
Acute Bladder Snail, photo 1 of 8
1/8 © Kim Cabrera · CC BY-NC-ND 4.0

what is it?

Physella acuta is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae. Common names include European physa , Tadpole Snail , Bladder Snail , and Acute Bladder Snail . In addition, Phyla acuta , Physa heterostropha (Say, 1817) and Physa integra (Haldeman, 1841) are synonyms of Physella acuta (Draparnaud, 1805).

base stats

  • NL sightings 93iNaturalist, research grade
  • worldwide 13,209iNaturalist observations
  • threat LCleast concern

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 93 times in the Netherlands on iNaturalist: the #46 most seen of the snails, slugs & other molluscs in NL.
  • 13,209 observations worldwide on iNaturalist.
  • Scientifically named by Jacques Draparnaud in 1805 (221 years ago).
  • Not originally Dutch: it was introduced to the Netherlands.

fact sheet

English
Acute Bladder Snail
Nederlands
Puntige blaashoren
scientific name
Physella acuta
class
Gastropoda
family
Physidae
IUCN Red List
LC · least concern
in NL
introduced
sightings in NL
93
sightings in Europe
2,601
sightings worldwide
13,209
GBIF records in NL
6,744
weight
—
length
—
lifespan
—
named
1805 by Jacques Draparnaud

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

Sources: iNaturalist taxon 448024, Wikidata Q1694040, GBIF 5189806, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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