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#4604 · 🐌 snails, slugs & other molluscs

Soft-shelled Clam

🇳🇱 Strandgaper ·Mya arenaria

🐌 Snails, slugs & other molluscs 📍 in the Netherlands
Soft-shelled Clam, photo 1 of 8
1/8 © Femorale · CC BY-NC 4.0

what is it?

Soft-shell clams (American English) or sand gaper (British English/Europe), scientific name Mya arenaria , popularly called "steamers", "softshells", "longnecks", "piss clams", "Ipswich clams", or "Essex clams" are a species of edible saltwater clam, a marine bivalve mollusk in the family Myidae.

base stats

  • NL sightings 128iNaturalist, research grade
  • worldwide 9,668iNaturalist observations

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 128 times in the Netherlands on iNaturalist: the #36 most seen of the snails, slugs & other molluscs in NL.
  • 9,668 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
Soft-shelled Clam
Nederlands
Strandgaper
scientific name
Mya arenaria
class
Bivalvia
order
Myida
family
Myidae
sightings in NL
128
sightings in Europe
2,531
sightings worldwide
9,668
GBIF records in NL
38,244
weight
—
length
—
lifespan
—
named
1758

relatives· Myidae

Sources: iNaturalist taxon 81634, Wikidata Q20958, GBIF 7791733, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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