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#4506 · 🦀 crabs & other crustaceans

Marbled Crab

🇳🇱 Gemarmerde rotskrab ·Pachygrapsus marmoratus

🦀 Crabs & other crustaceans 📍 in Europe, not in NL
Marbled Crab, photo 1 of 8
1/8 © Paolo Mazzei · CC BY-NC 4.0

what is it?

Pachygrapsus marmoratus is a species of crab, sometimes called the marbled rock crab or marbled crab , which lives in the Black Sea, the Mediterranean Sea and parts of the Atlantic Ocean. 4 in) long. It is an omnivore, feeding on algae and various animals including mussels and limpets.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 14,790iNaturalist 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

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 14,790 observations worldwide on iNaturalist.
  • Scientifically named by Johan Christian Fabricius in 1787 (239 years ago).

fact sheet

English
Marbled Crab
Nederlands
Gemarmerde rotskrab
scientific name
Pachygrapsus marmoratus
class
Malacostraca
order
Decapoda
family
Grapsidae
sightings in NL
0
sightings in Europe
12,906
sightings worldwide
14,790
GBIF records in NL
2
weight
—
length
—
lifespan
—
named
1787 by Johan Christian Fabricius

relatives· Grapsidae

Sources: iNaturalist taxon 59283, Wikidata Q720580, GBIF 2225815, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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