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#4835 · 🐌 snails, slugs & other molluscs

Small Giant Clam

🇳🇱 Gravende Doopvontschelp ·Tridacna maxima

LCleast concern 🐌 Snails, slugs & other molluscs 📍 outside Europe
Small Giant Clam, photo 1 of 10
1/10 © Micha Baum · CC BY-SA 4.0

what is it?

The maxima clam ( Tridacna maxima ), also known as the small giant clam , is a species of bivalve mollusc found throughout the Indo-Pacific region. 9 in) in length.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 7,553iNaturalist 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

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 7,553 observations worldwide on iNaturalist.
  • Scientifically named by Peter Friedrich Röding in 1798 (228 years ago).

fact sheet

English
Small Giant Clam
Nederlands
Gravende Doopvontschelp
scientific name
Tridacna maxima
class
Bivalvia
order
Cardiida
family
Cardiidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
7,553
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1798 by Peter Friedrich Röding

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

relatives· Cardiidae

Sources: iNaturalist taxon 50589, Wikidata Q2704793, GBIF 4372625, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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