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. It is dark violet brown, with yellow marbling, and with a body up to 36 millimetres (1.4 in) long. It is an omnivore, feeding on algae and various animals including mussels and limpets.
Photo: @alecaese2001 · iNaturalist · CC BY-NC
Marbled Crab
Pachygrapsus marmoratus
- Observations in the area
- 6
- Last sighting
- 10 August 2025
- Category
- Insects and other invertebrates
Species and sighting data come from the iNaturalist platform and may change over time.
Where it has been observed
More photos
Photo: @scienzenaturali · iNaturalist · CC BY-NC
Photo: @dinobiancolini · iNaturalist · CC BY-NC
Photo: Paolo Mazzei · iNaturalist · CC BY-NC
Photo: @id78 · iNaturalist · CC BY-NC
Photo: Sebastián Lescano · iNaturalist · CC BY-NC
Photo: Paolo Mazzei · iNaturalist · CC BY-NC
Photo: @tiagosilva88 · iNaturalist · CC BY-NC
Photo: Alba Cernadas ; Rubén Barriuso · iNaturalist · CC BY-NC
Other species in the same category
Insects and other invertebrates
Spongy Moth
Lymantria dispar
22 observations in the area
Photo: @purple-squirrel · iNaturalist · CC BY-NC
Insects and other invertebrates
Atlantic Blue Crab
Callinectes sapidus
21 observations in the area
Photo: @filippo_amatiste · iNaturalist · CC BY-NC
Insects and other invertebrates
Pimelia bipunctata
17 observations in the area
Photo: @bluehawk314 · iNaturalist · CC BY-NC
Insects and other invertebrates
Timarcha nicaeensis
15 observations in the area
Photo: Third Silence · iNaturalist · CC BY-SA
Nature data: iNaturalist
Sighting data also come from open nature platforms and may change over time.